Home / 39,156.52-58,740.38-15,781.16

Finding the Fourth Proportional to 39,156.52, 58,740.38 and 15,781.16

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Solution

The fourth proportional to 39,156.52, 58,740.38 and 15,781.16 is: 23,674.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,156.52 : 58,740.38 = 15,781.16 : x
  2. Step 2: Convert to fraction form
    39,156.52/58,740.38 = 15,781.16/x
  3. Step 3: Cross multiply
    39,156.52x = 58,740.38 × 15,781.16
  4. Step 4: Simplify right side
    39,156.52x = 926,991,335.24
  5. Step 5: Solve for x
    x = 926,991,335.24/39,156.52
  6. Step 6: Final answer
    x = 23,674.00

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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.