Home / 51,036.66-70,432.38-28,382.07

Finding the Fourth Proportional to 51,036.66, 70,432.38 and 28,382.07

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Solution

The fourth proportional to 51,036.66, 70,432.38 and 28,382.07 is: 39,168.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,036.66 : 70,432.38 = 28,382.07 : x
  2. Step 2: Convert to fraction form
    51,036.66/70,432.38 = 28,382.07/x
  3. Step 3: Cross multiply
    51,036.66x = 70,432.38 × 28,382.07
  4. Step 4: Simplify right side
    51,036.66x = 1,999,016,739.43
  5. Step 5: Solve for x
    x = 1,999,016,739.43/51,036.66
  6. Step 6: Final answer
    x = 39,168.25

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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.