Home / 56,812.60-78,407.22-34,158.97

Finding the Fourth Proportional to 56,812.60, 78,407.22 and 34,158.97

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Solution

The fourth proportional to 56,812.60, 78,407.22 and 34,158.97 is: 47,142.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,812.60 : 78,407.22 = 34,158.97 : x
  2. Step 2: Convert to fraction form
    56,812.60/78,407.22 = 34,158.97/x
  3. Step 3: Cross multiply
    56,812.60x = 78,407.22 × 34,158.97
  4. Step 4: Simplify right side
    56,812.60x = 2,678,309,875.76
  5. Step 5: Solve for x
    x = 2,678,309,875.76/56,812.60
  6. Step 6: Final answer
    x = 47,142.89

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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.