Home / 47,027.20-70,540.80-36,646.72

Finding the Fourth Proportional to 47,027.20, 70,540.80 and 36,646.72

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Solution

The fourth proportional to 47,027.20, 70,540.80 and 36,646.72 is: 54,970.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,027.20 : 70,540.80 = 36,646.72 : x
  2. Step 2: Convert to fraction form
    47,027.20/70,540.80 = 36,646.72/x
  3. Step 3: Cross multiply
    47,027.20x = 70,540.80 × 36,646.72
  4. Step 4: Simplify right side
    47,027.20x = 2,585,088,946.18
  5. Step 5: Solve for x
    x = 2,585,088,946.18/47,027.20
  6. Step 6: Final answer
    x = 54,970.08

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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.