Home / 39,307.01-54,251.15-22,312.85

Finding the Fourth Proportional to 39,307.01, 54,251.15 and 22,312.85

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Solution

The fourth proportional to 39,307.01, 54,251.15 and 22,312.85 is: 30,795.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,307.01 : 54,251.15 = 22,312.85 : x
  2. Step 2: Convert to fraction form
    39,307.01/54,251.15 = 22,312.85/x
  3. Step 3: Cross multiply
    39,307.01x = 54,251.15 × 22,312.85
  4. Step 4: Simplify right side
    39,307.01x = 1,210,497,389.46
  5. Step 5: Solve for x
    x = 1,210,497,389.46/39,307.01
  6. Step 6: Final answer
    x = 30,795.97

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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.