Home / 39,660.80-59,487.15-13,365.77

Finding the Fourth Proportional to 39,660.80, 59,487.15 and 13,365.77

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Solution

The fourth proportional to 39,660.80, 59,487.15 and 13,365.77 is: 20,047.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,660.80 : 59,487.15 = 13,365.77 : x
  2. Step 2: Convert to fraction form
    39,660.80/59,487.15 = 13,365.77/x
  3. Step 3: Cross multiply
    39,660.80x = 59,487.15 × 13,365.77
  4. Step 4: Simplify right side
    39,660.80x = 795,091,564.86
  5. Step 5: Solve for x
    x = 795,091,564.86/39,660.80
  6. Step 6: Final answer
    x = 20,047.29

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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.