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Finding the Fourth Proportional to 55,098.68, 76,036.68 and 29,948.24

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Solution

The fourth proportional to 55,098.68, 76,036.68 and 29,948.24 is: 41,328.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,098.68 : 76,036.68 = 29,948.24 : x
  2. Step 2: Convert to fraction form
    55,098.68/76,036.68 = 29,948.24/x
  3. Step 3: Cross multiply
    55,098.68x = 76,036.68 × 29,948.24
  4. Step 4: Simplify right side
    55,098.68x = 2,277,164,741.44
  5. Step 5: Solve for x
    x = 2,277,164,741.44/55,098.68
  6. Step 6: Final answer
    x = 41,328.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.