Home / 65,158.68-97,738.02-18,412.80

Finding the Fourth Proportional to 65,158.68, 97,738.02 and 18,412.80

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Solution

The fourth proportional to 65,158.68, 97,738.02 and 18,412.80 is: 27,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,158.68 : 97,738.02 = 18,412.80 : x
  2. Step 2: Convert to fraction form
    65,158.68/97,738.02 = 18,412.80/x
  3. Step 3: Cross multiply
    65,158.68x = 97,738.02 × 18,412.80
  4. Step 4: Simplify right side
    65,158.68x = 1,799,630,614.66
  5. Step 5: Solve for x
    x = 1,799,630,614.66/65,158.68
  6. Step 6: Final answer
    x = 27,619.20

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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.