Home / 39,335-54,282.78-22,569.56

Finding the Fourth Proportional to 39,335, 54,282.78 and 22,569.56

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Solution

The fourth proportional to 39,335, 54,282.78 and 22,569.56 is: 31,146.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,335 : 54,282.78 = 22,569.56 : x
  2. Step 2: Convert to fraction form
    39,335/54,282.78 = 22,569.56/x
  3. Step 3: Cross multiply
    39,335x = 54,282.78 × 22,569.56
  4. Step 4: Simplify right side
    39,335x = 1,225,138,460.18
  5. Step 5: Solve for x
    x = 1,225,138,460.18/39,335
  6. Step 6: Final answer
    x = 31,146.27

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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.