Home / 59,631.45-82,323.39-45,989.65

Finding the Fourth Proportional to 59,631.45, 82,323.39 and 45,989.65

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Solution

The fourth proportional to 59,631.45, 82,323.39 and 45,989.65 is: 63,490.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,631.45 : 82,323.39 = 45,989.65 : x
  2. Step 2: Convert to fraction form
    59,631.45/82,323.39 = 45,989.65/x
  3. Step 3: Cross multiply
    59,631.45x = 82,323.39 × 45,989.65
  4. Step 4: Simplify right side
    59,631.45x = 3,786,023,892.91
  5. Step 5: Solve for x
    x = 3,786,023,892.91/59,631.45
  6. Step 6: Final answer
    x = 63,490.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.