Home / 67,155.10-92,666.76-38,855.50

Finding the Fourth Proportional to 67,155.10, 92,666.76 and 38,855.50

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Solution

The fourth proportional to 67,155.10, 92,666.76 and 38,855.50 is: 53,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,155.10 : 92,666.76 = 38,855.50 : x
  2. Step 2: Convert to fraction form
    67,155.10/92,666.76 = 38,855.50/x
  3. Step 3: Cross multiply
    67,155.10x = 92,666.76 × 38,855.50
  4. Step 4: Simplify right side
    67,155.10x = 3,600,613,293.18
  5. Step 5: Solve for x
    x = 3,600,613,293.18/67,155.10
  6. Step 6: Final answer
    x = 53,616.38

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1.5x scale

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.