Home / 39,813.40-59,666.10-25,730.20

Finding the Fourth Proportional to 39,813.40, 59,666.10 and 25,730.20

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Solution

The fourth proportional to 39,813.40, 59,666.10 and 25,730.20 is: 38,560.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,813.40 : 59,666.10 = 25,730.20 : x
  2. Step 2: Convert to fraction form
    39,813.40/59,666.10 = 25,730.20/x
  3. Step 3: Cross multiply
    39,813.40x = 59,666.10 × 25,730.20
  4. Step 4: Simplify right side
    39,813.40x = 1,535,220,686.22
  5. Step 5: Solve for x
    x = 1,535,220,686.22/39,813.40
  6. Step 6: Final answer
    x = 38,560.40

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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.