Home / 39,907.79-55,108.35-38,017.25

Finding the Fourth Proportional to 39,907.79, 55,108.35 and 38,017.25

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Solution

The fourth proportional to 39,907.79, 55,108.35 and 38,017.25 is: 52,497.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,907.79 : 55,108.35 = 38,017.25 : x
  2. Step 2: Convert to fraction form
    39,907.79/55,108.35 = 38,017.25/x
  3. Step 3: Cross multiply
    39,907.79x = 55,108.35 × 38,017.25
  4. Step 4: Simplify right side
    39,907.79x = 2,095,067,919.04
  5. Step 5: Solve for x
    x = 2,095,067,919.04/39,907.79
  6. Step 6: Final answer
    x = 52,497.72

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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.