Home / 74,853.40-112,182.60-30,428.26

Finding the Fourth Proportional to 74,853.40, 112,182.60 and 30,428.26

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Solution

The fourth proportional to 74,853.40, 112,182.60 and 30,428.26 is: 45,602.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,853.40 : 112,182.60 = 30,428.26 : x
  2. Step 2: Convert to fraction form
    74,853.40/112,182.60 = 30,428.26/x
  3. Step 3: Cross multiply
    74,853.40x = 112,182.60 × 30,428.26
  4. Step 4: Simplify right side
    74,853.40x = 3,413,521,320.28
  5. Step 5: Solve for x
    x = 3,413,521,320.28/74,853.40
  6. Step 6: Final answer
    x = 45,602.76

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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.