Home / 56,324.46-77,726.58-30,830.20

Finding the Fourth Proportional to 56,324.46, 77,726.58 and 30,830.20

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Solution

The fourth proportional to 56,324.46, 77,726.58 and 30,830.20 is: 42,545.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,324.46 : 77,726.58 = 30,830.20 : x
  2. Step 2: Convert to fraction form
    56,324.46/77,726.58 = 30,830.20/x
  3. Step 3: Cross multiply
    56,324.46x = 77,726.58 × 30,830.20
  4. Step 4: Simplify right side
    56,324.46x = 2,396,326,006.72
  5. Step 5: Solve for x
    x = 2,396,326,006.72/56,324.46
  6. Step 6: Final answer
    x = 42,545.03

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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.