Home / 29,340.12-40,474.31-19,267.10

Finding the Fourth Proportional to 29,340.12, 40,474.31 and 19,267.10

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Solution

The fourth proportional to 29,340.12, 40,474.31 and 19,267.10 is: 26,578.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,340.12 : 40,474.31 = 19,267.10 : x
  2. Step 2: Convert to fraction form
    29,340.12/40,474.31 = 19,267.10/x
  3. Step 3: Cross multiply
    29,340.12x = 40,474.31 × 19,267.10
  4. Step 4: Simplify right side
    29,340.12x = 779,822,279.49
  5. Step 5: Solve for x
    x = 779,822,279.49/29,340.12
  6. Step 6: Final answer
    x = 26,578.70

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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.