Home / 39,655.72-59,470.62-13,353.40

Finding the Fourth Proportional to 39,655.72, 59,470.62 and 13,353.40

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Solution

The fourth proportional to 39,655.72, 59,470.62 and 13,353.40 is: 20,025.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,655.72 : 59,470.62 = 13,353.40 : x
  2. Step 2: Convert to fraction form
    39,655.72/59,470.62 = 13,353.40/x
  3. Step 3: Cross multiply
    39,655.72x = 59,470.62 × 13,353.40
  4. Step 4: Simplify right side
    39,655.72x = 794,134,977.11
  5. Step 5: Solve for x
    x = 794,134,977.11/39,655.72
  6. Step 6: Final answer
    x = 20,025.74

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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.