Home / 56,805.00-78,391.45-31,312.35

Finding the Fourth Proportional to 56,805.00, 78,391.45 and 31,312.35

Calculator

Solution

The fourth proportional to 56,805.00, 78,391.45 and 31,312.35 is: 43,211.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,805.00 : 78,391.45 = 31,312.35 : x
  2. Step 2: Convert to fraction form
    56,805.00/78,391.45 = 31,312.35/x
  3. Step 3: Cross multiply
    56,805.00x = 78,391.45 × 31,312.35
  4. Step 4: Simplify right side
    56,805.00x = 2,454,620,088.45
  5. Step 5: Solve for x
    x = 2,454,620,088.45/56,805.00
  6. Step 6: Final answer
    x = 43,211.34

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.