Home / 51,084.10-70,489.86-28,417.73

Finding the Fourth Proportional to 51,084.10, 70,489.86 and 28,417.73

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Solution

The fourth proportional to 51,084.10, 70,489.86 and 28,417.73 is: 39,213.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,084.10 : 70,489.86 = 28,417.73 : x
  2. Step 2: Convert to fraction form
    51,084.10/70,489.86 = 28,417.73/x
  3. Step 3: Cross multiply
    51,084.10x = 70,489.86 × 28,417.73
  4. Step 4: Simplify right side
    51,084.10x = 2,003,161,809.22
  5. Step 5: Solve for x
    x = 2,003,161,809.22/51,084.10
  6. Step 6: Final answer
    x = 39,213.02

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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.