Home / 37,038.39-51,114.88-20,687.82

Finding the Fourth Proportional to 37,038.39, 51,114.88 and 20,687.82

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Solution

The fourth proportional to 37,038.39, 51,114.88 and 20,687.82 is: 28,550.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,038.39 : 51,114.88 = 20,687.82 : x
  2. Step 2: Convert to fraction form
    37,038.39/51,114.88 = 20,687.82/x
  3. Step 3: Cross multiply
    37,038.39x = 51,114.88 × 20,687.82
  4. Step 4: Simplify right side
    37,038.39x = 1,057,455,436.76
  5. Step 5: Solve for x
    x = 1,057,455,436.76/37,038.39
  6. Step 6: Final answer
    x = 28,550.25

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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.