Home / 32,280.44-48,417.92-11,215.07

Finding the Fourth Proportional to 32,280.44, 48,417.92 and 11,215.07

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Solution

The fourth proportional to 32,280.44, 48,417.92 and 11,215.07 is: 16,821.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,280.44 : 48,417.92 = 11,215.07 : x
  2. Step 2: Convert to fraction form
    32,280.44/48,417.92 = 11,215.07/x
  3. Step 3: Cross multiply
    32,280.44x = 48,417.92 × 11,215.07
  4. Step 4: Simplify right side
    32,280.44x = 543,010,287.51
  5. Step 5: Solve for x
    x = 543,010,287.51/32,280.44
  6. Step 6: Final answer
    x = 16,821.65

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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.