Home / 51,170.34-70,614.23-28,510.95

Finding the Fourth Proportional to 51,170.34, 70,614.23 and 28,510.95

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Solution

The fourth proportional to 51,170.34, 70,614.23 and 28,510.95 is: 39,344.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,170.34 : 70,614.23 = 28,510.95 : x
  2. Step 2: Convert to fraction form
    51,170.34/70,614.23 = 28,510.95/x
  3. Step 3: Cross multiply
    51,170.34x = 70,614.23 × 28,510.95
  4. Step 4: Simplify right side
    51,170.34x = 2,013,278,638.26
  5. Step 5: Solve for x
    x = 2,013,278,638.26/51,170.34
  6. Step 6: Final answer
    x = 39,344.64

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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.