Home / 47,925.07-66,171.79-30,939.22

Finding the Fourth Proportional to 47,925.07, 66,171.79 and 30,939.22

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Solution

The fourth proportional to 47,925.07, 66,171.79 and 30,939.22 is: 42,718.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,925.07 : 66,171.79 = 30,939.22 : x
  2. Step 2: Convert to fraction form
    47,925.07/66,171.79 = 30,939.22/x
  3. Step 3: Cross multiply
    47,925.07x = 66,171.79 × 30,939.22
  4. Step 4: Simplify right side
    47,925.07x = 2,047,303,143.74
  5. Step 5: Solve for x
    x = 2,047,303,143.74/47,925.07
  6. Step 6: Final answer
    x = 42,718.84

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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.