Home / 58,037.40-87,136.79-29,978.19

Finding the Fourth Proportional to 58,037.40, 87,136.79 and 29,978.19

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Solution

The fourth proportional to 58,037.40, 87,136.79 and 29,978.19 is: 45,008.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,037.40 : 87,136.79 = 29,978.19 : x
  2. Step 2: Convert to fraction form
    58,037.40/87,136.79 = 29,978.19/x
  3. Step 3: Cross multiply
    58,037.40x = 87,136.79 × 29,978.19
  4. Step 4: Simplify right side
    58,037.40x = 2,612,203,096.72
  5. Step 5: Solve for x
    x = 2,612,203,096.72/58,037.40
  6. Step 6: Final answer
    x = 45,008.96

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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.