Home / 51,007.20-76,510.80-38,565.60

Finding the Fourth Proportional to 51,007.20, 76,510.80 and 38,565.60

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Solution

The fourth proportional to 51,007.20, 76,510.80 and 38,565.60 is: 57,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,007.20 : 76,510.80 = 38,565.60 : x
  2. Step 2: Convert to fraction form
    51,007.20/76,510.80 = 38,565.60/x
  3. Step 3: Cross multiply
    51,007.20x = 76,510.80 × 38,565.60
  4. Step 4: Simplify right side
    51,007.20x = 2,950,684,908.48
  5. Step 5: Solve for x
    x = 2,950,684,908.48/51,007.20
  6. Step 6: Final answer
    x = 57,848.40

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Similar ratio
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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.