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Finding the Fourth Proportional to 47,000.47, 70,484.29 and 18,913.24

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Solution

The fourth proportional to 47,000.47, 70,484.29 and 18,913.24 is: 28,363.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,000.47 : 70,484.29 = 18,913.24 : x
  2. Step 2: Convert to fraction form
    47,000.47/70,484.29 = 18,913.24/x
  3. Step 3: Cross multiply
    47,000.47x = 70,484.29 × 18,913.24
  4. Step 4: Simplify right side
    47,000.47x = 1,333,086,293.00
  5. Step 5: Solve for x
    x = 1,333,086,293.00/47,000.47
  6. Step 6: Final answer
    x = 28,363.25

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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.