Home / 39,403.04-54,378.28-22,637.12

Finding the Fourth Proportional to 39,403.04, 54,378.28 and 22,637.12

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Solution

The fourth proportional to 39,403.04, 54,378.28 and 22,637.12 is: 31,240.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,403.04 : 54,378.28 = 22,637.12 : x
  2. Step 2: Convert to fraction form
    39,403.04/54,378.28 = 22,637.12/x
  3. Step 3: Cross multiply
    39,403.04x = 54,378.28 × 22,637.12
  4. Step 4: Simplify right side
    39,403.04x = 1,230,967,649.75
  5. Step 5: Solve for x
    x = 1,230,967,649.75/39,403.04
  6. Step 6: Final answer
    x = 31,240.42

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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.