Home / 74,177.22-111,284.04-21,587.16

Finding the Fourth Proportional to 74,177.22, 111,284.04 and 21,587.16

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Solution

The fourth proportional to 74,177.22, 111,284.04 and 21,587.16 is: 32,386.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,177.22 : 111,284.04 = 21,587.16 : x
  2. Step 2: Convert to fraction form
    74,177.22/111,284.04 = 21,587.16/x
  3. Step 3: Cross multiply
    74,177.22x = 111,284.04 × 21,587.16
  4. Step 4: Simplify right side
    74,177.22x = 2,402,306,376.93
  5. Step 5: Solve for x
    x = 2,402,306,376.93/74,177.22
  6. Step 6: Final answer
    x = 32,386.04

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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.