Home / 56,133.68-84,136.86-18,684.95

Finding the Fourth Proportional to 56,133.68, 84,136.86 and 18,684.95

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Solution

The fourth proportional to 56,133.68, 84,136.86 and 18,684.95 is: 28,006.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,133.68 : 84,136.86 = 18,684.95 : x
  2. Step 2: Convert to fraction form
    56,133.68/84,136.86 = 18,684.95/x
  3. Step 3: Cross multiply
    56,133.68x = 84,136.86 × 18,684.95
  4. Step 4: Simplify right side
    56,133.68x = 1,572,092,601.57
  5. Step 5: Solve for x
    x = 1,572,092,601.57/56,133.68
  6. Step 6: Final answer
    x = 28,006.23

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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.