Home / 67,671.08-93,389.30-38,995.02

Finding the Fourth Proportional to 67,671.08, 93,389.30 and 38,995.02

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Solution

The fourth proportional to 67,671.08, 93,389.30 and 38,995.02 is: 53,814.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,671.08 : 93,389.30 = 38,995.02 : x
  2. Step 2: Convert to fraction form
    67,671.08/93,389.30 = 38,995.02/x
  3. Step 3: Cross multiply
    67,671.08x = 93,389.30 × 38,995.02
  4. Step 4: Simplify right side
    67,671.08x = 3,641,717,754.56
  5. Step 5: Solve for x
    x = 3,641,717,754.56/67,671.08
  6. Step 6: Final answer
    x = 53,814.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.