Home / 37,621.12-56,425.92-9,921.28

Finding the Fourth Proportional to 37,621.12, 56,425.92 and 9,921.28

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Solution

The fourth proportional to 37,621.12, 56,425.92 and 9,921.28 is: 14,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,621.12 : 56,425.92 = 9,921.28 : x
  2. Step 2: Convert to fraction form
    37,621.12/56,425.92 = 9,921.28/x
  3. Step 3: Cross multiply
    37,621.12x = 56,425.92 × 9,921.28
  4. Step 4: Simplify right side
    37,621.12x = 559,817,351.58
  5. Step 5: Solve for x
    x = 559,817,351.58/37,621.12
  6. Step 6: Final answer
    x = 14,880.40

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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.