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Finding the Fourth Proportional to 40,060, 60,090.82 and 12,358

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Solution

The fourth proportional to 40,060, 60,090.82 and 12,358 is: 18,537.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,060 : 60,090.82 = 12,358 : x
  2. Step 2: Convert to fraction form
    40,060/60,090.82 = 12,358/x
  3. Step 3: Cross multiply
    40,060x = 60,090.82 × 12,358
  4. Step 4: Simplify right side
    40,060x = 742,602,353.56
  5. Step 5: Solve for x
    x = 742,602,353.56/40,060
  6. Step 6: Final answer
    x = 18,537.25

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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.