Home / 51,211.55-70,677.18-28,554.23

Finding the Fourth Proportional to 51,211.55, 70,677.18 and 28,554.23

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Solution

The fourth proportional to 51,211.55, 70,677.18 and 28,554.23 is: 39,407.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,211.55 : 70,677.18 = 28,554.23 : x
  2. Step 2: Convert to fraction form
    51,211.55/70,677.18 = 28,554.23/x
  3. Step 3: Cross multiply
    51,211.55x = 70,677.18 × 28,554.23
  4. Step 4: Simplify right side
    51,211.55x = 2,018,132,453.47
  5. Step 5: Solve for x
    x = 2,018,132,453.47/51,211.55
  6. Step 6: Final answer
    x = 39,407.76

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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.