Home / 39,390.40-54,364.48-25,959.36

Finding the Fourth Proportional to 39,390.40, 54,364.48 and 25,959.36

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Solution

The fourth proportional to 39,390.40, 54,364.48 and 25,959.36 is: 35,827.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,390.40 : 54,364.48 = 25,959.36 : x
  2. Step 2: Convert to fraction form
    39,390.40/54,364.48 = 25,959.36/x
  3. Step 3: Cross multiply
    39,390.40x = 54,364.48 × 25,959.36
  4. Step 4: Simplify right side
    39,390.40x = 1,411,267,107.53
  5. Step 5: Solve for x
    x = 1,411,267,107.53/39,390.40
  6. Step 6: Final answer
    x = 35,827.69

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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.