Home / 60,079.36-90,031.56-28,878.16

Finding the Fourth Proportional to 60,079.36, 90,031.56 and 28,878.16

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Solution

The fourth proportional to 60,079.36, 90,031.56 and 28,878.16 is: 43,275.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,079.36 : 90,031.56 = 28,878.16 : x
  2. Step 2: Convert to fraction form
    60,079.36/90,031.56 = 28,878.16/x
  3. Step 3: Cross multiply
    60,079.36x = 90,031.56 × 28,878.16
  4. Step 4: Simplify right side
    60,079.36x = 2,599,945,794.73
  5. Step 5: Solve for x
    x = 2,599,945,794.73/60,079.36
  6. Step 6: Final answer
    x = 43,275.19

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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.