Home / 42,141.14-63,221.12-15,846.11

Finding the Fourth Proportional to 42,141.14, 63,221.12 and 15,846.11

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Solution

The fourth proportional to 42,141.14, 63,221.12 and 15,846.11 is: 23,772.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,141.14 : 63,221.12 = 15,846.11 : x
  2. Step 2: Convert to fraction form
    42,141.14/63,221.12 = 15,846.11/x
  3. Step 3: Cross multiply
    42,141.14x = 63,221.12 × 15,846.11
  4. Step 4: Simplify right side
    42,141.14x = 1,001,808,426.51
  5. Step 5: Solve for x
    x = 1,001,808,426.51/42,141.14
  6. Step 6: Final answer
    x = 23,772.70

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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.