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Finding the Fourth Proportional to 58,087.47, 86,990.85 and 33,051.68

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Solution

The fourth proportional to 58,087.47, 86,990.85 and 33,051.68 is: 49,497.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,087.47 : 86,990.85 = 33,051.68 : x
  2. Step 2: Convert to fraction form
    58,087.47/86,990.85 = 33,051.68/x
  3. Step 3: Cross multiply
    58,087.47x = 86,990.85 × 33,051.68
  4. Step 4: Simplify right side
    58,087.47x = 2,875,193,302.17
  5. Step 5: Solve for x
    x = 2,875,193,302.17/58,087.47
  6. Step 6: Final answer
    x = 49,497.65

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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.