Home / 38,001.66-56,990.11-15,809.07

Finding the Fourth Proportional to 38,001.66, 56,990.11 and 15,809.07

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Solution

The fourth proportional to 38,001.66, 56,990.11 and 15,809.07 is: 23,708.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,001.66 : 56,990.11 = 15,809.07 : x
  2. Step 2: Convert to fraction form
    38,001.66/56,990.11 = 15,809.07/x
  3. Step 3: Cross multiply
    38,001.66x = 56,990.11 × 15,809.07
  4. Step 4: Simplify right side
    38,001.66x = 900,960,638.30
  5. Step 5: Solve for x
    x = 900,960,638.30/38,001.66
  6. Step 6: Final answer
    x = 23,708.45

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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.