Home / 47,990.12-71,995.50-14,712.48

Finding the Fourth Proportional to 47,990.12, 71,995.50 and 14,712.48

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Solution

The fourth proportional to 47,990.12, 71,995.50 and 14,712.48 is: 22,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,990.12 : 71,995.50 = 14,712.48 : x
  2. Step 2: Convert to fraction form
    47,990.12/71,995.50 = 14,712.48/x
  3. Step 3: Cross multiply
    47,990.12x = 71,995.50 × 14,712.48
  4. Step 4: Simplify right side
    47,990.12x = 1,059,232,353.84
  5. Step 5: Solve for x
    x = 1,059,232,353.84/47,990.12
  6. Step 6: Final answer
    x = 22,071.89

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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.