Home / 60,210.08-90,321.52-18,660.32

Finding the Fourth Proportional to 60,210.08, 90,321.52 and 18,660.32

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Solution

The fourth proportional to 60,210.08, 90,321.52 and 18,660.32 is: 27,992.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,210.08 : 90,321.52 = 18,660.32 : x
  2. Step 2: Convert to fraction form
    60,210.08/90,321.52 = 18,660.32/x
  3. Step 3: Cross multiply
    60,210.08x = 90,321.52 × 18,660.32
  4. Step 4: Simplify right side
    60,210.08x = 1,685,428,466.09
  5. Step 5: Solve for x
    x = 1,685,428,466.09/60,210.08
  6. Step 6: Final answer
    x = 27,992.46

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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.