Home / 34,266.60-47,277.54-20,111.40

Finding the Fourth Proportional to 34,266.60, 47,277.54 and 20,111.40

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Solution

The fourth proportional to 34,266.60, 47,277.54 and 20,111.40 is: 27,747.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,266.60 : 47,277.54 = 20,111.40 : x
  2. Step 2: Convert to fraction form
    34,266.60/47,277.54 = 20,111.40/x
  3. Step 3: Cross multiply
    34,266.60x = 47,277.54 × 20,111.40
  4. Step 4: Simplify right side
    34,266.60x = 950,817,517.96
  5. Step 5: Solve for x
    x = 950,817,517.96/34,266.60
  6. Step 6: Final answer
    x = 27,747.65

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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.