Home / 47,103.32-70,655.12-11,564.78

Finding the Fourth Proportional to 47,103.32, 70,655.12 and 11,564.78

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Solution

The fourth proportional to 47,103.32, 70,655.12 and 11,564.78 is: 17,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,103.32 : 70,655.12 = 11,564.78 : x
  2. Step 2: Convert to fraction form
    47,103.32/70,655.12 = 11,564.78/x
  3. Step 3: Cross multiply
    47,103.32x = 70,655.12 × 11,564.78
  4. Step 4: Simplify right side
    47,103.32x = 817,110,507.57
  5. Step 5: Solve for x
    x = 817,110,507.57/47,103.32
  6. Step 6: Final answer
    x = 17,347.20

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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.