Home / 74,727.23-112,079.10-20,679.17

Finding the Fourth Proportional to 74,727.23, 112,079.10 and 20,679.17

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Solution

The fourth proportional to 74,727.23, 112,079.10 and 20,679.17 is: 31,015.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,727.23 : 112,079.10 = 20,679.17 : x
  2. Step 2: Convert to fraction form
    74,727.23/112,079.10 = 20,679.17/x
  3. Step 3: Cross multiply
    74,727.23x = 112,079.10 × 20,679.17
  4. Step 4: Simplify right side
    74,727.23x = 2,317,702,762.35
  5. Step 5: Solve for x
    x = 2,317,702,762.35/74,727.23
  6. Step 6: Final answer
    x = 31,015.50

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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.