Home / 51,373.01-70,888.62-28,399.74

Finding the Fourth Proportional to 51,373.01, 70,888.62 and 28,399.74

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Solution

The fourth proportional to 51,373.01, 70,888.62 and 28,399.74 is: 39,188.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,373.01 : 70,888.62 = 28,399.74 : x
  2. Step 2: Convert to fraction form
    51,373.01/70,888.62 = 28,399.74/x
  3. Step 3: Cross multiply
    51,373.01x = 70,888.62 × 28,399.74
  4. Step 4: Simplify right side
    51,373.01x = 2,013,218,234.96
  5. Step 5: Solve for x
    x = 2,013,218,234.96/51,373.01
  6. Step 6: Final answer
    x = 39,188.25

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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.