Home / 30,881.97-42,595.20-26,145.70

Finding the Fourth Proportional to 30,881.97, 42,595.20 and 26,145.70

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Solution

The fourth proportional to 30,881.97, 42,595.20 and 26,145.70 is: 36,062.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881.97 : 42,595.20 = 26,145.70 : x
  2. Step 2: Convert to fraction form
    30,881.97/42,595.20 = 26,145.70/x
  3. Step 3: Cross multiply
    30,881.97x = 42,595.20 × 26,145.70
  4. Step 4: Simplify right side
    30,881.97x = 1,113,681,214.15
  5. Step 5: Solve for x
    x = 1,113,681,214.15/30,881.97
  6. Step 6: Final answer
    x = 36,062.51

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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.