Home / 39,729.41-54,810.91-25,590.46

Finding the Fourth Proportional to 39,729.41, 54,810.91 and 25,590.46

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Solution

The fourth proportional to 39,729.41, 54,810.91 and 25,590.46 is: 35,304.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,729.41 : 54,810.91 = 25,590.46 : x
  2. Step 2: Convert to fraction form
    39,729.41/54,810.91 = 25,590.46/x
  3. Step 3: Cross multiply
    39,729.41x = 54,810.91 × 25,590.46
  4. Step 4: Simplify right side
    39,729.41x = 1,402,636,399.92
  5. Step 5: Solve for x
    x = 1,402,636,399.92/39,729.41
  6. Step 6: Final answer
    x = 35,304.74

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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.