Home / 42,609.70-58,907.68-31,980.88

Finding the Fourth Proportional to 42,609.70, 58,907.68 and 31,980.88

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Solution

The fourth proportional to 42,609.70, 58,907.68 and 31,980.88 is: 44,213.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,609.70 : 58,907.68 = 31,980.88 : x
  2. Step 2: Convert to fraction form
    42,609.70/58,907.68 = 31,980.88/x
  3. Step 3: Cross multiply
    42,609.70x = 58,907.68 × 31,980.88
  4. Step 4: Simplify right side
    42,609.70x = 1,883,919,445.16
  5. Step 5: Solve for x
    x = 1,883,919,445.16/42,609.70
  6. Step 6: Final answer
    x = 44,213.39

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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.