Home / 51,248.97-70,718.70-28,586.19

Finding the Fourth Proportional to 51,248.97, 70,718.70 and 28,586.19

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Solution

The fourth proportional to 51,248.97, 70,718.70 and 28,586.19 is: 39,446.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,248.97 : 70,718.70 = 28,586.19 : x
  2. Step 2: Convert to fraction form
    51,248.97/70,718.70 = 28,586.19/x
  3. Step 3: Cross multiply
    51,248.97x = 70,718.70 × 28,586.19
  4. Step 4: Simplify right side
    51,248.97x = 2,021,578,194.75
  5. Step 5: Solve for x
    x = 2,021,578,194.75/51,248.97
  6. Step 6: Final answer
    x = 39,446.22

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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.