Home / 74,747.71-112,165.76-30,371.05

Finding the Fourth Proportional to 74,747.71, 112,165.76 and 30,371.05

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Solution

The fourth proportional to 74,747.71, 112,165.76 and 30,371.05 is: 45,574.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,747.71 : 112,165.76 = 30,371.05 : x
  2. Step 2: Convert to fraction form
    74,747.71/112,165.76 = 30,371.05/x
  3. Step 3: Cross multiply
    74,747.71x = 112,165.76 × 30,371.05
  4. Step 4: Simplify right side
    74,747.71x = 3,406,591,905.25
  5. Step 5: Solve for x
    x = 3,406,591,905.25/74,747.71
  6. Step 6: Final answer
    x = 45,574.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.