Home / 56,057.27-77,358.65-30,906.77

Finding the Fourth Proportional to 56,057.27, 77,358.65 and 30,906.77

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Solution

The fourth proportional to 56,057.27, 77,358.65 and 30,906.77 is: 42,651.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,057.27 : 77,358.65 = 30,906.77 : x
  2. Step 2: Convert to fraction form
    56,057.27/77,358.65 = 30,906.77/x
  3. Step 3: Cross multiply
    56,057.27x = 77,358.65 × 30,906.77
  4. Step 4: Simplify right side
    56,057.27x = 2,390,905,461.73
  5. Step 5: Solve for x
    x = 2,390,905,461.73/56,057.27
  6. Step 6: Final answer
    x = 42,651.13

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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.