Home / 84,934.84-127,402.53-25,771

Finding the Fourth Proportional to 84,934.84, 127,402.53 and 25,771

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Solution

The fourth proportional to 84,934.84, 127,402.53 and 25,771 is: 38,656.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,934.84 : 127,402.53 = 25,771 : x
  2. Step 2: Convert to fraction form
    84,934.84/127,402.53 = 25,771/x
  3. Step 3: Cross multiply
    84,934.84x = 127,402.53 × 25,771
  4. Step 4: Simplify right side
    84,934.84x = 3,283,290,600.63
  5. Step 5: Solve for x
    x = 3,283,290,600.63/84,934.84
  6. Step 6: Final answer
    x = 38,656.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.