Home / 71,683.18-107,502.90-19,085.83

Finding the Fourth Proportional to 71,683.18, 107,502.90 and 19,085.83

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Solution

The fourth proportional to 71,683.18, 107,502.90 and 19,085.83 is: 28,622.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,683.18 : 107,502.90 = 19,085.83 : x
  2. Step 2: Convert to fraction form
    71,683.18/107,502.90 = 19,085.83/x
  3. Step 3: Cross multiply
    71,683.18x = 107,502.90 × 19,085.83
  4. Step 4: Simplify right side
    71,683.18x = 2,051,781,733.58
  5. Step 5: Solve for x
    x = 2,051,781,733.58/71,683.18
  6. Step 6: Final answer
    x = 28,622.92

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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.