Home / 45,182.88-67,772.50-21,501.92

Finding the Fourth Proportional to 45,182.88, 67,772.50 and 21,501.92

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Solution

The fourth proportional to 45,182.88, 67,772.50 and 21,501.92 is: 32,252.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,182.88 : 67,772.50 = 21,501.92 : x
  2. Step 2: Convert to fraction form
    45,182.88/67,772.50 = 21,501.92/x
  3. Step 3: Cross multiply
    45,182.88x = 67,772.50 × 21,501.92
  4. Step 4: Simplify right side
    45,182.88x = 1,457,238,988.88
  5. Step 5: Solve for x
    x = 1,457,238,988.88/45,182.88
  6. Step 6: Final answer
    x = 32,252.02

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Double scale
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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.