Home / 115,024-172,536-31,918

Finding the Fourth Proportional to 115,024, 172,536 and 31,918

Calculator

Solution

The fourth proportional to 115,024, 172,536 and 31,918 is: 47,877

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,024 : 172,536 = 31,918 : x
  2. Step 2: Convert to fraction form
    115,024/172,536 = 31,918/x
  3. Step 3: Cross multiply
    115,024x = 172,536 × 31,918
  4. Step 4: Simplify right side
    115,024x = 5,507,004,048
  5. Step 5: Solve for x
    x = 5,507,004,048/115,024
  6. Step 6: Final answer
    x = 47,877

Related Problems

Find fourth proportional to 57,512, 86,268 and 15,959
Half scale
Find fourth proportional to 230,048, 345,072 and 63,836
Double scale
Find fourth proportional to 115,025, 172,537.50 and 31,919
Similar ratio
Find fourth proportional to 172,536, 258,804 and 47,877
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.