Home / 52,856.97-79,285.38-12,875.93

Finding the Fourth Proportional to 52,856.97, 79,285.38 and 12,875.93

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Solution

The fourth proportional to 52,856.97, 79,285.38 and 12,875.93 is: 19,313.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,856.97 : 79,285.38 = 12,875.93 : x
  2. Step 2: Convert to fraction form
    52,856.97/79,285.38 = 12,875.93/x
  3. Step 3: Cross multiply
    52,856.97x = 79,285.38 × 12,875.93
  4. Step 4: Simplify right side
    52,856.97x = 1,020,873,002.90
  5. Step 5: Solve for x
    x = 1,020,873,002.90/52,856.97
  6. Step 6: Final answer
    x = 19,313.88

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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.