Home / 34,331.20-47,376.24-19,427.20

Finding the Fourth Proportional to 34,331.20, 47,376.24 and 19,427.20

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Solution

The fourth proportional to 34,331.20, 47,376.24 and 19,427.20 is: 26,809.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,331.20 : 47,376.24 = 19,427.20 : x
  2. Step 2: Convert to fraction form
    34,331.20/47,376.24 = 19,427.20/x
  3. Step 3: Cross multiply
    34,331.20x = 47,376.24 × 19,427.20
  4. Step 4: Simplify right side
    34,331.20x = 920,387,689.73
  5. Step 5: Solve for x
    x = 920,387,689.73/34,331.20
  6. Step 6: Final answer
    x = 26,809.07

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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.