Home / 30,734.76-42,331.14-26,535.72

Finding the Fourth Proportional to 30,734.76, 42,331.14 and 26,535.72

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Solution

The fourth proportional to 30,734.76, 42,331.14 and 26,535.72 is: 36,547.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,734.76 : 42,331.14 = 26,535.72 : x
  2. Step 2: Convert to fraction form
    30,734.76/42,331.14 = 26,535.72/x
  3. Step 3: Cross multiply
    30,734.76x = 42,331.14 × 26,535.72
  4. Step 4: Simplify right side
    30,734.76x = 1,123,287,278.32
  5. Step 5: Solve for x
    x = 1,123,287,278.32/30,734.76
  6. Step 6: Final answer
    x = 36,547.78

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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.