Home / 42,417.83-63,529.85-20,246.82

Finding the Fourth Proportional to 42,417.83, 63,529.85 and 20,246.82

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Solution

The fourth proportional to 42,417.83, 63,529.85 and 20,246.82 is: 30,323.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,417.83 : 63,529.85 = 20,246.82 : x
  2. Step 2: Convert to fraction form
    42,417.83/63,529.85 = 20,246.82/x
  3. Step 3: Cross multiply
    42,417.83x = 63,529.85 × 20,246.82
  4. Step 4: Simplify right side
    42,417.83x = 1,286,277,249.96
  5. Step 5: Solve for x
    x = 1,286,277,249.96/42,417.83
  6. Step 6: Final answer
    x = 30,323.97

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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.