Home / 52,486.92-78,688.80-26,178.12

Finding the Fourth Proportional to 52,486.92, 78,688.80 and 26,178.12

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Solution

The fourth proportional to 52,486.92, 78,688.80 and 26,178.12 is: 39,246.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,486.92 : 78,688.80 = 26,178.12 : x
  2. Step 2: Convert to fraction form
    52,486.92/78,688.80 = 26,178.12/x
  3. Step 3: Cross multiply
    52,486.92x = 78,688.80 × 26,178.12
  4. Step 4: Simplify right side
    52,486.92x = 2,059,924,849.06
  5. Step 5: Solve for x
    x = 2,059,924,849.06/52,486.92
  6. Step 6: Final answer
    x = 39,246.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.