Home / 34,222.80-47,227.08-20,072.92

Finding the Fourth Proportional to 34,222.80, 47,227.08 and 20,072.92

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Solution

The fourth proportional to 34,222.80, 47,227.08 and 20,072.92 is: 27,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,222.80 : 47,227.08 = 20,072.92 : x
  2. Step 2: Convert to fraction form
    34,222.80/47,227.08 = 20,072.92/x
  3. Step 3: Cross multiply
    34,222.80x = 47,227.08 × 20,072.92
  4. Step 4: Simplify right side
    34,222.80x = 947,985,398.67
  5. Step 5: Solve for x
    x = 947,985,398.67/34,222.80
  6. Step 6: Final answer
    x = 27,700.40

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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.