Home / 42,521.24-63,776.88-11,358.92

Finding the Fourth Proportional to 42,521.24, 63,776.88 and 11,358.92

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Solution

The fourth proportional to 42,521.24, 63,776.88 and 11,358.92 is: 17,037.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,521.24 : 63,776.88 = 11,358.92 : x
  2. Step 2: Convert to fraction form
    42,521.24/63,776.88 = 11,358.92/x
  3. Step 3: Cross multiply
    42,521.24x = 63,776.88 × 11,358.92
  4. Step 4: Simplify right side
    42,521.24x = 724,436,477.77
  5. Step 5: Solve for x
    x = 724,436,477.77/42,521.24
  6. Step 6: Final answer
    x = 17,037.05

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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.