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Finding the Fourth Proportional to 34,842.66, 48,082.95 and 18,926.76

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Solution

The fourth proportional to 34,842.66, 48,082.95 and 18,926.76 is: 26,118.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,842.66 : 48,082.95 = 18,926.76 : x
  2. Step 2: Convert to fraction form
    34,842.66/48,082.95 = 18,926.76/x
  3. Step 3: Cross multiply
    34,842.66x = 48,082.95 × 18,926.76
  4. Step 4: Simplify right side
    34,842.66x = 910,054,454.74
  5. Step 5: Solve for x
    x = 910,054,454.74/34,842.66
  6. Step 6: Final answer
    x = 26,118.97

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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.