Home / 40,071.15-55,299.17-22,166.50

Finding the Fourth Proportional to 40,071.15, 55,299.17 and 22,166.50

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Solution

The fourth proportional to 40,071.15, 55,299.17 and 22,166.50 is: 30,590.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,071.15 : 55,299.17 = 22,166.50 : x
  2. Step 2: Convert to fraction form
    40,071.15/55,299.17 = 22,166.50/x
  3. Step 3: Cross multiply
    40,071.15x = 55,299.17 × 22,166.50
  4. Step 4: Simplify right side
    40,071.15x = 1,225,789,051.81
  5. Step 5: Solve for x
    x = 1,225,789,051.81/40,071.15
  6. Step 6: Final answer
    x = 30,590.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.