Home / 48,507.58-66,939.47-28,376.38

Finding the Fourth Proportional to 48,507.58, 66,939.47 and 28,376.38

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Solution

The fourth proportional to 48,507.58, 66,939.47 and 28,376.38 is: 39,158.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,507.58 : 66,939.47 = 28,376.38 : x
  2. Step 2: Convert to fraction form
    48,507.58/66,939.47 = 28,376.38/x
  3. Step 3: Cross multiply
    48,507.58x = 66,939.47 × 28,376.38
  4. Step 4: Simplify right side
    48,507.58x = 1,899,499,837.72
  5. Step 5: Solve for x
    x = 1,899,499,837.72/48,507.58
  6. Step 6: Final answer
    x = 39,158.83

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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.