Home / 37,139.72-55,704.10-10,837.40

Finding the Fourth Proportional to 37,139.72, 55,704.10 and 10,837.40

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Solution

The fourth proportional to 37,139.72, 55,704.10 and 10,837.40 is: 16,254.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,139.72 : 55,704.10 = 10,837.40 : x
  2. Step 2: Convert to fraction form
    37,139.72/55,704.10 = 10,837.40/x
  3. Step 3: Cross multiply
    37,139.72x = 55,704.10 × 10,837.40
  4. Step 4: Simplify right side
    37,139.72x = 603,687,613.34
  5. Step 5: Solve for x
    x = 603,687,613.34/37,139.72
  6. Step 6: Final answer
    x = 16,254.50

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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.