Home / 40,905.40-61,358.10-23,409.40

Finding the Fourth Proportional to 40,905.40, 61,358.10 and 23,409.40

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Solution

The fourth proportional to 40,905.40, 61,358.10 and 23,409.40 is: 35,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,905.40 : 61,358.10 = 23,409.40 : x
  2. Step 2: Convert to fraction form
    40,905.40/61,358.10 = 23,409.40/x
  3. Step 3: Cross multiply
    40,905.40x = 61,358.10 × 23,409.40
  4. Step 4: Simplify right side
    40,905.40x = 1,436,356,306.14
  5. Step 5: Solve for x
    x = 1,436,356,306.14/40,905.40
  6. Step 6: Final answer
    x = 35,114.10

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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.