Home / 34,449.10-47,539.61-19,341.79

Finding the Fourth Proportional to 34,449.10, 47,539.61 and 19,341.79

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Solution

The fourth proportional to 34,449.10, 47,539.61 and 19,341.79 is: 26,691.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,449.10 : 47,539.61 = 19,341.79 : x
  2. Step 2: Convert to fraction form
    34,449.10/47,539.61 = 19,341.79/x
  3. Step 3: Cross multiply
    34,449.10x = 47,539.61 × 19,341.79
  4. Step 4: Simplify right side
    34,449.10x = 919,501,010.28
  5. Step 5: Solve for x
    x = 919,501,010.28/34,449.10
  6. Step 6: Final answer
    x = 26,691.58

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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.