Home / 40,148.92-60,112.14-30,258.28

Finding the Fourth Proportional to 40,148.92, 60,112.14 and 30,258.28

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Solution

The fourth proportional to 40,148.92, 60,112.14 and 30,258.28 is: 45,303.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,148.92 : 60,112.14 = 30,258.28 : x
  2. Step 2: Convert to fraction form
    40,148.92/60,112.14 = 30,258.28/x
  3. Step 3: Cross multiply
    40,148.92x = 60,112.14 × 30,258.28
  4. Step 4: Simplify right side
    40,148.92x = 1,818,889,963.52
  5. Step 5: Solve for x
    x = 1,818,889,963.52/40,148.92
  6. Step 6: Final answer
    x = 45,303.58

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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.