Home / 82,275.66-123,413.48-19,946.16

Finding the Fourth Proportional to 82,275.66, 123,413.48 and 19,946.16

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Solution

The fourth proportional to 82,275.66, 123,413.48 and 19,946.16 is: 29,919.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,275.66 : 123,413.48 = 19,946.16 : x
  2. Step 2: Convert to fraction form
    82,275.66/123,413.48 = 19,946.16/x
  3. Step 3: Cross multiply
    82,275.66x = 123,413.48 × 19,946.16
  4. Step 4: Simplify right side
    82,275.66x = 2,461,625,068.10
  5. Step 5: Solve for x
    x = 2,461,625,068.10/82,275.66
  6. Step 6: Final answer
    x = 29,919.24

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Similar ratio
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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.