Home / 74,722.23-112,071.60-20,674.17

Finding the Fourth Proportional to 74,722.23, 112,071.60 and 20,674.17

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Solution

The fourth proportional to 74,722.23, 112,071.60 and 20,674.17 is: 31,008.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,722.23 : 112,071.60 = 20,674.17 : x
  2. Step 2: Convert to fraction form
    74,722.23/112,071.60 = 20,674.17/x
  3. Step 3: Cross multiply
    74,722.23x = 112,071.60 × 20,674.17
  4. Step 4: Simplify right side
    74,722.23x = 2,316,987,310.57
  5. Step 5: Solve for x
    x = 2,316,987,310.57/74,722.23
  6. Step 6: Final answer
    x = 31,008.01

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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.