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Finding the Fourth Proportional to 55,482.84, 83,151.78 and 25,486.20

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Solution

The fourth proportional to 55,482.84, 83,151.78 and 25,486.20 is: 38,196.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,482.84 : 83,151.78 = 25,486.20 : x
  2. Step 2: Convert to fraction form
    55,482.84/83,151.78 = 25,486.20/x
  3. Step 3: Cross multiply
    55,482.84x = 83,151.78 × 25,486.20
  4. Step 4: Simplify right side
    55,482.84x = 2,119,222,895.44
  5. Step 5: Solve for x
    x = 2,119,222,895.44/55,482.84
  6. Step 6: Final answer
    x = 38,196.01

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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.