Home / 42,631.16-63,944.40-13,048.97

Finding the Fourth Proportional to 42,631.16, 63,944.40 and 13,048.97

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Solution

The fourth proportional to 42,631.16, 63,944.40 and 13,048.97 is: 19,572.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,631.16 : 63,944.40 = 13,048.97 : x
  2. Step 2: Convert to fraction form
    42,631.16/63,944.40 = 13,048.97/x
  3. Step 3: Cross multiply
    42,631.16x = 63,944.40 × 13,048.97
  4. Step 4: Simplify right side
    42,631.16x = 834,408,557.27
  5. Step 5: Solve for x
    x = 834,408,557.27/42,631.16
  6. Step 6: Final answer
    x = 19,572.74

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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.