Home / 39,665.40-59,400.90-26,446.20

Finding the Fourth Proportional to 39,665.40, 59,400.90 and 26,446.20

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Solution

The fourth proportional to 39,665.40, 59,400.90 and 26,446.20 is: 39,604.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,665.40 : 59,400.90 = 26,446.20 : x
  2. Step 2: Convert to fraction form
    39,665.40/59,400.90 = 26,446.20/x
  3. Step 3: Cross multiply
    39,665.40x = 59,400.90 × 26,446.20
  4. Step 4: Simplify right side
    39,665.40x = 1,570,928,081.58
  5. Step 5: Solve for x
    x = 1,570,928,081.58/39,665.40
  6. Step 6: Final answer
    x = 39,604.49

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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.