Home / 58,317.49-87,457.78-18,865.38

Finding the Fourth Proportional to 58,317.49, 87,457.78 and 18,865.38

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Solution

The fourth proportional to 58,317.49, 87,457.78 and 18,865.38 is: 28,292.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,317.49 : 87,457.78 = 18,865.38 : x
  2. Step 2: Convert to fraction form
    58,317.49/87,457.78 = 18,865.38/x
  3. Step 3: Cross multiply
    58,317.49x = 87,457.78 × 18,865.38
  4. Step 4: Simplify right side
    58,317.49x = 1,649,924,253.66
  5. Step 5: Solve for x
    x = 1,649,924,253.66/58,317.49
  6. Step 6: Final answer
    x = 28,292.10

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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.