Home / 67,389.74-93,002.40-39,095.44

Finding the Fourth Proportional to 67,389.74, 93,002.40 and 39,095.44

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Solution

The fourth proportional to 67,389.74, 93,002.40 and 39,095.44 is: 53,954.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,389.74 : 93,002.40 = 39,095.44 : x
  2. Step 2: Convert to fraction form
    67,389.74/93,002.40 = 39,095.44/x
  3. Step 3: Cross multiply
    67,389.74x = 93,002.40 × 39,095.44
  4. Step 4: Simplify right side
    67,389.74x = 3,635,969,749.06
  5. Step 5: Solve for x
    x = 3,635,969,749.06/67,389.74
  6. Step 6: Final answer
    x = 53,954.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.