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Finding the Fourth Proportional to 47,094.48, 70,552.08 and 28,080

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Solution

The fourth proportional to 47,094.48, 70,552.08 and 28,080 is: 42,066.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,094.48 : 70,552.08 = 28,080 : x
  2. Step 2: Convert to fraction form
    47,094.48/70,552.08 = 28,080/x
  3. Step 3: Cross multiply
    47,094.48x = 70,552.08 × 28,080
  4. Step 4: Simplify right side
    47,094.48x = 1,981,102,406.40
  5. Step 5: Solve for x
    x = 1,981,102,406.40/47,094.48
  6. Step 6: Final answer
    x = 42,066.55

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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.