Home / 37,621.62-56,426.67-9,921.78

Finding the Fourth Proportional to 37,621.62, 56,426.67 and 9,921.78

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Solution

The fourth proportional to 37,621.62, 56,426.67 and 9,921.78 is: 14,881.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,621.62 : 56,426.67 = 9,921.78 : x
  2. Step 2: Convert to fraction form
    37,621.62/56,426.67 = 9,921.78/x
  3. Step 3: Cross multiply
    37,621.62x = 56,426.67 × 9,921.78
  4. Step 4: Simplify right side
    37,621.62x = 559,853,005.87
  5. Step 5: Solve for x
    x = 559,853,005.87/37,621.62
  6. Step 6: Final answer
    x = 14,881.15

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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.