Home / 37,557.60-51,834.12-21,428.88

Finding the Fourth Proportional to 37,557.60, 51,834.12 and 21,428.88

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Solution

The fourth proportional to 37,557.60, 51,834.12 and 21,428.88 is: 29,574.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,557.60 : 51,834.12 = 21,428.88 : x
  2. Step 2: Convert to fraction form
    37,557.60/51,834.12 = 21,428.88/x
  3. Step 3: Cross multiply
    37,557.60x = 51,834.12 × 21,428.88
  4. Step 4: Simplify right side
    37,557.60x = 1,110,747,137.39
  5. Step 5: Solve for x
    x = 1,110,747,137.39/37,557.60
  6. Step 6: Final answer
    x = 29,574.50

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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.