Home / 31,461.46-47,147.69-17,427.92

Finding the Fourth Proportional to 31,461.46, 47,147.69 and 17,427.92

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Solution

The fourth proportional to 31,461.46, 47,147.69 and 17,427.92 is: 26,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,461.46 : 47,147.69 = 17,427.92 : x
  2. Step 2: Convert to fraction form
    31,461.46/47,147.69 = 17,427.92/x
  3. Step 3: Cross multiply
    31,461.46x = 47,147.69 × 17,427.92
  4. Step 4: Simplify right side
    31,461.46x = 821,685,977.34
  5. Step 5: Solve for x
    x = 821,685,977.34/31,461.46
  6. Step 6: Final answer
    x = 26,117.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.