Home / 57,423.49-79,246.13-31,580.69

Finding the Fourth Proportional to 57,423.49, 79,246.13 and 31,580.69

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Solution

The fourth proportional to 57,423.49, 79,246.13 and 31,580.69 is: 43,582.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,423.49 : 79,246.13 = 31,580.69 : x
  2. Step 2: Convert to fraction form
    57,423.49/79,246.13 = 31,580.69/x
  3. Step 3: Cross multiply
    57,423.49x = 79,246.13 × 31,580.69
  4. Step 4: Simplify right side
    57,423.49x = 2,502,646,911.10
  5. Step 5: Solve for x
    x = 2,502,646,911.10/57,423.49
  6. Step 6: Final answer
    x = 43,582.29

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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.