Home / 34,139.64-51,209.40-13,348.56

Finding the Fourth Proportional to 34,139.64, 51,209.40 and 13,348.56

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Solution

The fourth proportional to 34,139.64, 51,209.40 and 13,348.56 is: 20,022.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,139.64 : 51,209.40 = 13,348.56 : x
  2. Step 2: Convert to fraction form
    34,139.64/51,209.40 = 13,348.56/x
  3. Step 3: Cross multiply
    34,139.64x = 51,209.40 × 13,348.56
  4. Step 4: Simplify right side
    34,139.64x = 683,571,748.46
  5. Step 5: Solve for x
    x = 683,571,748.46/34,139.64
  6. Step 6: Final answer
    x = 20,022.82

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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.