Home / 56,514.12-77,989.70-31,363.62

Finding the Fourth Proportional to 56,514.12, 77,989.70 and 31,363.62

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Solution

The fourth proportional to 56,514.12, 77,989.70 and 31,363.62 is: 43,281.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,514.12 : 77,989.70 = 31,363.62 : x
  2. Step 2: Convert to fraction form
    56,514.12/77,989.70 = 31,363.62/x
  3. Step 3: Cross multiply
    56,514.12x = 77,989.70 × 31,363.62
  4. Step 4: Simplify right side
    56,514.12x = 2,446,039,314.71
  5. Step 5: Solve for x
    x = 2,446,039,314.71/56,514.12
  6. Step 6: Final answer
    x = 43,281.91

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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.