Home / 37,613.28-56,412.81-18,888.30

Finding the Fourth Proportional to 37,613.28, 56,412.81 and 18,888.30

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Solution

The fourth proportional to 37,613.28, 56,412.81 and 18,888.30 is: 28,328.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,613.28 : 56,412.81 = 18,888.30 : x
  2. Step 2: Convert to fraction form
    37,613.28/56,412.81 = 18,888.30/x
  3. Step 3: Cross multiply
    37,613.28x = 56,412.81 × 18,888.30
  4. Step 4: Simplify right side
    37,613.28x = 1,065,542,079.12
  5. Step 5: Solve for x
    x = 1,065,542,079.12/37,613.28
  6. Step 6: Final answer
    x = 28,328.88

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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.