Home / 51,545.04-77,341.95-28,170.78

Finding the Fourth Proportional to 51,545.04, 77,341.95 and 28,170.78

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Solution

The fourth proportional to 51,545.04, 77,341.95 and 28,170.78 is: 42,269.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,545.04 : 77,341.95 = 28,170.78 : x
  2. Step 2: Convert to fraction form
    51,545.04/77,341.95 = 28,170.78/x
  3. Step 3: Cross multiply
    51,545.04x = 77,341.95 × 28,170.78
  4. Step 4: Simplify right side
    51,545.04x = 2,178,783,058.22
  5. Step 5: Solve for x
    x = 2,178,783,058.22/51,545.04
  6. Step 6: Final answer
    x = 42,269.50

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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.