Home / 84,800.47-127,219.16-25,634.60

Finding the Fourth Proportional to 84,800.47, 127,219.16 and 25,634.60

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Solution

The fourth proportional to 84,800.47, 127,219.16 and 25,634.60 is: 38,457.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,800.47 : 127,219.16 = 25,634.60 : x
  2. Step 2: Convert to fraction form
    84,800.47/127,219.16 = 25,634.60/x
  3. Step 3: Cross multiply
    84,800.47x = 127,219.16 × 25,634.60
  4. Step 4: Simplify right side
    84,800.47x = 3,261,212,397.61
  5. Step 5: Solve for x
    x = 3,261,212,397.61/84,800.47
  6. Step 6: Final answer
    x = 38,457.48

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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.