Home / 74,368.13-111,552.19-18,964.13

Finding the Fourth Proportional to 74,368.13, 111,552.19 and 18,964.13

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Solution

The fourth proportional to 74,368.13, 111,552.19 and 18,964.13 is: 28,446.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,368.13 : 111,552.19 = 18,964.13 : x
  2. Step 2: Convert to fraction form
    74,368.13/111,552.19 = 18,964.13/x
  3. Step 3: Cross multiply
    74,368.13x = 111,552.19 × 18,964.13
  4. Step 4: Simplify right side
    74,368.13x = 2,115,489,627.77
  5. Step 5: Solve for x
    x = 2,115,489,627.77/74,368.13
  6. Step 6: Final answer
    x = 28,446.19

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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.