Home / 51,237.53-70,708.19-28,577.96

Finding the Fourth Proportional to 51,237.53, 70,708.19 and 28,577.96

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Solution

The fourth proportional to 51,237.53, 70,708.19 and 28,577.96 is: 39,437.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,237.53 : 70,708.19 = 28,577.96 : x
  2. Step 2: Convert to fraction form
    51,237.53/70,708.19 = 28,577.96/x
  3. Step 3: Cross multiply
    51,237.53x = 70,708.19 × 28,577.96
  4. Step 4: Simplify right side
    51,237.53x = 2,020,695,825.49
  5. Step 5: Solve for x
    x = 2,020,695,825.49/51,237.53
  6. Step 6: Final answer
    x = 39,437.81

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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.