Home / 37,988.68-56,961-18,240.28

Finding the Fourth Proportional to 37,988.68, 56,961 and 18,240.28

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Solution

The fourth proportional to 37,988.68, 56,961 and 18,240.28 is: 27,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,988.68 : 56,961 = 18,240.28 : x
  2. Step 2: Convert to fraction form
    37,988.68/56,961 = 18,240.28/x
  3. Step 3: Cross multiply
    37,988.68x = 56,961 × 18,240.28
  4. Step 4: Simplify right side
    37,988.68x = 1,038,984,589.08
  5. Step 5: Solve for x
    x = 1,038,984,589.08/37,988.68
  6. Step 6: Final answer
    x = 27,349.85

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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.