Home / 39,564.40-59,346.60-9,983.20

Finding the Fourth Proportional to 39,564.40, 59,346.60 and 9,983.20

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Solution

The fourth proportional to 39,564.40, 59,346.60 and 9,983.20 is: 14,974.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,564.40 : 59,346.60 = 9,983.20 : x
  2. Step 2: Convert to fraction form
    39,564.40/59,346.60 = 9,983.20/x
  3. Step 3: Cross multiply
    39,564.40x = 59,346.60 × 9,983.20
  4. Step 4: Simplify right side
    39,564.40x = 592,468,977.12
  5. Step 5: Solve for x
    x = 592,468,977.12/39,564.40
  6. Step 6: Final answer
    x = 14,974.80

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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.