Home / 51,092.64-70,510.50-28,431.72

Finding the Fourth Proportional to 51,092.64, 70,510.50 and 28,431.72

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Solution

The fourth proportional to 51,092.64, 70,510.50 and 28,431.72 is: 39,237.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,092.64 : 70,510.50 = 28,431.72 : x
  2. Step 2: Convert to fraction form
    51,092.64/70,510.50 = 28,431.72/x
  3. Step 3: Cross multiply
    51,092.64x = 70,510.50 × 28,431.72
  4. Step 4: Simplify right side
    51,092.64x = 2,004,734,793.06
  5. Step 5: Solve for x
    x = 2,004,734,793.06/51,092.64
  6. Step 6: Final answer
    x = 39,237.25

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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.