Home / 41,996.12-58,031.88-30,646.40

Finding the Fourth Proportional to 41,996.12, 58,031.88 and 30,646.40

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Solution

The fourth proportional to 41,996.12, 58,031.88 and 30,646.40 is: 42,348.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,996.12 : 58,031.88 = 30,646.40 : x
  2. Step 2: Convert to fraction form
    41,996.12/58,031.88 = 30,646.40/x
  3. Step 3: Cross multiply
    41,996.12x = 58,031.88 × 30,646.40
  4. Step 4: Simplify right side
    41,996.12x = 1,778,468,207.23
  5. Step 5: Solve for x
    x = 1,778,468,207.23/41,996.12
  6. Step 6: Final answer
    x = 42,348.39

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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.