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Finding the Fourth Proportional to 44,618.84, 61,557 and 28,486.74

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Solution

The fourth proportional to 44,618.84, 61,557 and 28,486.74 is: 39,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,618.84 : 61,557 = 28,486.74 : x
  2. Step 2: Convert to fraction form
    44,618.84/61,557 = 28,486.74/x
  3. Step 3: Cross multiply
    44,618.84x = 61,557 × 28,486.74
  4. Step 4: Simplify right side
    44,618.84x = 1,753,558,254.18
  5. Step 5: Solve for x
    x = 1,753,558,254.18/44,618.84
  6. Step 6: Final answer
    x = 39,300.85

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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.