Home / 66,231.64-99,346.02-31,151.80

Finding the Fourth Proportional to 66,231.64, 99,346.02 and 31,151.80

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Solution

The fourth proportional to 66,231.64, 99,346.02 and 31,151.80 is: 46,727.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,231.64 : 99,346.02 = 31,151.80 : x
  2. Step 2: Convert to fraction form
    66,231.64/99,346.02 = 31,151.80/x
  3. Step 3: Cross multiply
    66,231.64x = 99,346.02 × 31,151.80
  4. Step 4: Simplify right side
    66,231.64x = 3,094,807,345.84
  5. Step 5: Solve for x
    x = 3,094,807,345.84/66,231.64
  6. Step 6: Final answer
    x = 46,727.02

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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.