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Finding the Fourth Proportional to 40,641.40, 61,010.70 and 22,886.20

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Solution

The fourth proportional to 40,641.40, 61,010.70 and 22,886.20 is: 34,356.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,641.40 : 61,010.70 = 22,886.20 : x
  2. Step 2: Convert to fraction form
    40,641.40/61,010.70 = 22,886.20/x
  3. Step 3: Cross multiply
    40,641.40x = 61,010.70 × 22,886.20
  4. Step 4: Simplify right side
    40,641.40x = 1,396,303,082.34
  5. Step 5: Solve for x
    x = 1,396,303,082.34/40,641.40
  6. Step 6: Final answer
    x = 34,356.67

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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.