Home / 30,930.50-42,655.91-26,160.46

Finding the Fourth Proportional to 30,930.50, 42,655.91 and 26,160.46

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Solution

The fourth proportional to 30,930.50, 42,655.91 and 26,160.46 is: 36,077.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,930.50 : 42,655.91 = 26,160.46 : x
  2. Step 2: Convert to fraction form
    30,930.50/42,655.91 = 26,160.46/x
  3. Step 3: Cross multiply
    30,930.50x = 42,655.91 × 26,160.46
  4. Step 4: Simplify right side
    30,930.50x = 1,115,897,989.88
  5. Step 5: Solve for x
    x = 1,115,897,989.88/30,930.50
  6. Step 6: Final answer
    x = 36,077.59

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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.