Home / 58,316.49-87,456.29-18,864.38

Finding the Fourth Proportional to 58,316.49, 87,456.29 and 18,864.38

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Solution

The fourth proportional to 58,316.49, 87,456.29 and 18,864.38 is: 28,290.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,316.49 : 87,456.29 = 18,864.38 : x
  2. Step 2: Convert to fraction form
    58,316.49/87,456.29 = 18,864.38/x
  3. Step 3: Cross multiply
    58,316.49x = 87,456.29 × 18,864.38
  4. Step 4: Simplify right side
    58,316.49x = 1,649,808,156.35
  5. Step 5: Solve for x
    x = 1,649,808,156.35/58,316.49
  6. Step 6: Final answer
    x = 28,290.59

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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.