Home / 37,283.79-51,450.08-20,515.71

Finding the Fourth Proportional to 37,283.79, 51,450.08 and 20,515.71

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Solution

The fourth proportional to 37,283.79, 51,450.08 and 20,515.71 is: 28,310.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,283.79 : 51,450.08 = 20,515.71 : x
  2. Step 2: Convert to fraction form
    37,283.79/51,450.08 = 20,515.71/x
  3. Step 3: Cross multiply
    37,283.79x = 51,450.08 × 20,515.71
  4. Step 4: Simplify right side
    37,283.79x = 1,055,534,818.18
  5. Step 5: Solve for x
    x = 1,055,534,818.18/37,283.79
  6. Step 6: Final answer
    x = 28,310.82

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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.