Home / 83,551.86-125,325.90-20,372.31

Finding the Fourth Proportional to 83,551.86, 125,325.90 and 20,372.31

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Solution

The fourth proportional to 83,551.86, 125,325.90 and 20,372.31 is: 30,558.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,551.86 : 125,325.90 = 20,372.31 : x
  2. Step 2: Convert to fraction form
    83,551.86/125,325.90 = 20,372.31/x
  3. Step 3: Cross multiply
    83,551.86x = 125,325.90 × 20,372.31
  4. Step 4: Simplify right side
    83,551.86x = 2,553,178,085.83
  5. Step 5: Solve for x
    x = 2,553,178,085.83/83,551.86
  6. Step 6: Final answer
    x = 30,558.00

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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.