Home / 34,690.39-47,872.87-18,774.83

Finding the Fourth Proportional to 34,690.39, 47,872.87 and 18,774.83

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Solution

The fourth proportional to 34,690.39, 47,872.87 and 18,774.83 is: 25,909.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,690.39 : 47,872.87 = 18,774.83 : x
  2. Step 2: Convert to fraction form
    34,690.39/47,872.87 = 18,774.83/x
  3. Step 3: Cross multiply
    34,690.39x = 47,872.87 × 18,774.83
  4. Step 4: Simplify right side
    34,690.39x = 898,805,068.61
  5. Step 5: Solve for x
    x = 898,805,068.61/34,690.39
  6. Step 6: Final answer
    x = 25,909.34

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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.