Home / 34,299.15-47,327.14-20,154.72

Finding the Fourth Proportional to 34,299.15, 47,327.14 and 20,154.72

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Solution

The fourth proportional to 34,299.15, 47,327.14 and 20,154.72 is: 27,810.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,299.15 : 47,327.14 = 20,154.72 : x
  2. Step 2: Convert to fraction form
    34,299.15/47,327.14 = 20,154.72/x
  3. Step 3: Cross multiply
    34,299.15x = 47,327.14 × 20,154.72
  4. Step 4: Simplify right side
    34,299.15x = 953,865,344.40
  5. Step 5: Solve for x
    x = 953,865,344.40/34,299.15
  6. Step 6: Final answer
    x = 27,810.18

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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.