Home / 48,009.28-72,014.64-21,714.88

Finding the Fourth Proportional to 48,009.28, 72,014.64 and 21,714.88

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Solution

The fourth proportional to 48,009.28, 72,014.64 and 21,714.88 is: 32,572.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,009.28 : 72,014.64 = 21,714.88 : x
  2. Step 2: Convert to fraction form
    48,009.28/72,014.64 = 21,714.88/x
  3. Step 3: Cross multiply
    48,009.28x = 72,014.64 × 21,714.88
  4. Step 4: Simplify right side
    48,009.28x = 1,563,789,265.84
  5. Step 5: Solve for x
    x = 1,563,789,265.84/48,009.28
  6. Step 6: Final answer
    x = 32,572.65

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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.