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Finding the Fourth Proportional to 61,799.84, 92,722.96 and 28,535.84

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Solution

The fourth proportional to 61,799.84, 92,722.96 and 28,535.84 is: 42,814.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,799.84 : 92,722.96 = 28,535.84 : x
  2. Step 2: Convert to fraction form
    61,799.84/92,722.96 = 28,535.84/x
  3. Step 3: Cross multiply
    61,799.84x = 92,722.96 × 28,535.84
  4. Step 4: Simplify right side
    61,799.84x = 2,645,927,550.89
  5. Step 5: Solve for x
    x = 2,645,927,550.89/61,799.84
  6. Step 6: Final answer
    x = 42,814.47

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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.