Home / 37,485.28-51,732.98-20,721.52

Finding the Fourth Proportional to 37,485.28, 51,732.98 and 20,721.52

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Solution

The fourth proportional to 37,485.28, 51,732.98 and 20,721.52 is: 28,597.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,485.28 : 51,732.98 = 20,721.52 : x
  2. Step 2: Convert to fraction form
    37,485.28/51,732.98 = 20,721.52/x
  3. Step 3: Cross multiply
    37,485.28x = 51,732.98 × 20,721.52
  4. Step 4: Simplify right side
    37,485.28x = 1,071,985,979.73
  5. Step 5: Solve for x
    x = 1,071,985,979.73/37,485.28
  6. Step 6: Final answer
    x = 28,597.52

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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.