Home / 71,360.40-98,477.30-39,531.36

Finding the Fourth Proportional to 71,360.40, 98,477.30 and 39,531.36

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Solution

The fourth proportional to 71,360.40, 98,477.30 and 39,531.36 is: 54,553.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,360.40 : 98,477.30 = 39,531.36 : x
  2. Step 2: Convert to fraction form
    71,360.40/98,477.30 = 39,531.36/x
  3. Step 3: Cross multiply
    71,360.40x = 98,477.30 × 39,531.36
  4. Step 4: Simplify right side
    71,360.40x = 3,892,941,598.13
  5. Step 5: Solve for x
    x = 3,892,941,598.13/71,360.40
  6. Step 6: Final answer
    x = 54,553.25

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1.5x scale

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.