Home / 40,859.28-61,292.64-15,901.20

Finding the Fourth Proportional to 40,859.28, 61,292.64 and 15,901.20

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Solution

The fourth proportional to 40,859.28, 61,292.64 and 15,901.20 is: 23,853.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,859.28 : 61,292.64 = 15,901.20 : x
  2. Step 2: Convert to fraction form
    40,859.28/61,292.64 = 15,901.20/x
  3. Step 3: Cross multiply
    40,859.28x = 61,292.64 × 15,901.20
  4. Step 4: Simplify right side
    40,859.28x = 974,626,527.17
  5. Step 5: Solve for x
    x = 974,626,527.17/40,859.28
  6. Step 6: Final answer
    x = 23,853.25

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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.