Home / 42,269.68-63,395.34-12,679.58

Finding the Fourth Proportional to 42,269.68, 63,395.34 and 12,679.58

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Solution

The fourth proportional to 42,269.68, 63,395.34 and 12,679.58 is: 19,016.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,269.68 : 63,395.34 = 12,679.58 : x
  2. Step 2: Convert to fraction form
    42,269.68/63,395.34 = 12,679.58/x
  3. Step 3: Cross multiply
    42,269.68x = 63,395.34 × 12,679.58
  4. Step 4: Simplify right side
    42,269.68x = 803,826,285.16
  5. Step 5: Solve for x
    x = 803,826,285.16/42,269.68
  6. Step 6: Final answer
    x = 19,016.62

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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.