Home / 65,807.62-98,718.33-21,437.83

Finding the Fourth Proportional to 65,807.62, 98,718.33 and 21,437.83

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Solution

The fourth proportional to 65,807.62, 98,718.33 and 21,437.83 is: 32,158.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,807.62 : 98,718.33 = 21,437.83 : x
  2. Step 2: Convert to fraction form
    65,807.62/98,718.33 = 21,437.83/x
  3. Step 3: Cross multiply
    65,807.62x = 98,718.33 × 21,437.83
  4. Step 4: Simplify right side
    65,807.62x = 2,116,306,776.42
  5. Step 5: Solve for x
    x = 2,116,306,776.42/65,807.62
  6. Step 6: Final answer
    x = 32,158.99

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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.