Home / 56,136.97-84,141.69-18,688.24

Finding the Fourth Proportional to 56,136.97, 84,141.69 and 18,688.24

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Solution

The fourth proportional to 56,136.97, 84,141.69 and 18,688.24 is: 28,011.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,136.97 : 84,141.69 = 18,688.24 : x
  2. Step 2: Convert to fraction form
    56,136.97/84,141.69 = 18,688.24/x
  3. Step 3: Cross multiply
    56,136.97x = 84,141.69 × 18,688.24
  4. Step 4: Simplify right side
    56,136.97x = 1,572,460,096.73
  5. Step 5: Solve for x
    x = 1,572,460,096.73/56,136.97
  6. Step 6: Final answer
    x = 28,011.13

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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.