Home / 42,348-63,522-17,724

Finding the Fourth Proportional to 42,348, 63,522 and 17,724

Calculator

Solution

The fourth proportional to 42,348, 63,522 and 17,724 is: 26,586

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,348 : 63,522 = 17,724 : x
  2. Step 2: Convert to fraction form
    42,348/63,522 = 17,724/x
  3. Step 3: Cross multiply
    42,348x = 63,522 × 17,724
  4. Step 4: Simplify right side
    42,348x = 1,125,863,928
  5. Step 5: Solve for x
    x = 1,125,863,928/42,348
  6. Step 6: Final answer
    x = 26,586

Related Problems

Find fourth proportional to 21,174, 31,761 and 8,862
Half scale
Find fourth proportional to 84,696, 127,044 and 35,448
Double scale
Find fourth proportional to 42,349, 63,523.50 and 17,725
Similar ratio
Find fourth proportional to 63,522, 95,283 and 26,586
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.