Home / 39,790.80-59,621.40-29,293.20

Finding the Fourth Proportional to 39,790.80, 59,621.40 and 29,293.20

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Solution

The fourth proportional to 39,790.80, 59,621.40 and 29,293.20 is: 43,892.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,790.80 : 59,621.40 = 29,293.20 : x
  2. Step 2: Convert to fraction form
    39,790.80/59,621.40 = 29,293.20/x
  3. Step 3: Cross multiply
    39,790.80x = 59,621.40 × 29,293.20
  4. Step 4: Simplify right side
    39,790.80x = 1,746,501,594.48
  5. Step 5: Solve for x
    x = 1,746,501,594.48/39,790.80
  6. Step 6: Final answer
    x = 43,892.10

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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.