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Finding the Fourth Proportional to 58,922.81, 88,398.03 and 19,479.66

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Solution

The fourth proportional to 58,922.81, 88,398.03 and 19,479.66 is: 29,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,922.81 : 88,398.03 = 19,479.66 : x
  2. Step 2: Convert to fraction form
    58,922.81/88,398.03 = 19,479.66/x
  3. Step 3: Cross multiply
    58,922.81x = 88,398.03 × 19,479.66
  4. Step 4: Simplify right side
    58,922.81x = 1,721,963,310.63
  5. Step 5: Solve for x
    x = 1,721,963,310.63/58,922.81
  6. Step 6: Final answer
    x = 29,224.05

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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.