Home / 60,147.36-90,215.78-18,036.84

Finding the Fourth Proportional to 60,147.36, 90,215.78 and 18,036.84

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Solution

The fourth proportional to 60,147.36, 90,215.78 and 18,036.84 is: 27,053.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,147.36 : 90,215.78 = 18,036.84 : x
  2. Step 2: Convert to fraction form
    60,147.36/90,215.78 = 18,036.84/x
  3. Step 3: Cross multiply
    60,147.36x = 90,215.78 × 18,036.84
  4. Step 4: Simplify right side
    60,147.36x = 1,627,207,837.46
  5. Step 5: Solve for x
    x = 1,627,207,837.46/60,147.36
  6. Step 6: Final answer
    x = 27,053.69

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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.