Home / 31,821.48-47,412.45-30,033

Finding the Fourth Proportional to 31,821.48, 47,412.45 and 30,033

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Solution

The fourth proportional to 31,821.48, 47,412.45 and 30,033 is: 44,747.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,821.48 : 47,412.45 = 30,033 : x
  2. Step 2: Convert to fraction form
    31,821.48/47,412.45 = 30,033/x
  3. Step 3: Cross multiply
    31,821.48x = 47,412.45 × 30,033
  4. Step 4: Simplify right side
    31,821.48x = 1,423,938,110.85
  5. Step 5: Solve for x
    x = 1,423,938,110.85/31,821.48
  6. Step 6: Final answer
    x = 44,747.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.