Home / 44,213.76-61,042.52-30,780.12

Finding the Fourth Proportional to 44,213.76, 61,042.52 and 30,780.12

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Solution

The fourth proportional to 44,213.76, 61,042.52 and 30,780.12 is: 42,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,213.76 : 61,042.52 = 30,780.12 : x
  2. Step 2: Convert to fraction form
    44,213.76/61,042.52 = 30,780.12/x
  3. Step 3: Cross multiply
    44,213.76x = 61,042.52 × 30,780.12
  4. Step 4: Simplify right side
    44,213.76x = 1,878,896,090.70
  5. Step 5: Solve for x
    x = 1,878,896,090.70/44,213.76
  6. Step 6: Final answer
    x = 42,495.73

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1.5x scale

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.