Home / 47,178.72-65,079.60-29,484

Finding the Fourth Proportional to 47,178.72, 65,079.60 and 29,484

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Solution

The fourth proportional to 47,178.72, 65,079.60 and 29,484 is: 40,671.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,178.72 : 65,079.60 = 29,484 : x
  2. Step 2: Convert to fraction form
    47,178.72/65,079.60 = 29,484/x
  3. Step 3: Cross multiply
    47,178.72x = 65,079.60 × 29,484
  4. Step 4: Simplify right side
    47,178.72x = 1,918,806,926.40
  5. Step 5: Solve for x
    x = 1,918,806,926.40/47,178.72
  6. Step 6: Final answer
    x = 40,671.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.