Home / 84,835.46-127,253.06-21,655.58

Finding the Fourth Proportional to 84,835.46, 127,253.06 and 21,655.58

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Solution

The fourth proportional to 84,835.46, 127,253.06 and 21,655.58 is: 32,483.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,835.46 : 127,253.06 = 21,655.58 : x
  2. Step 2: Convert to fraction form
    84,835.46/127,253.06 = 21,655.58/x
  3. Step 3: Cross multiply
    84,835.46x = 127,253.06 × 21,655.58
  4. Step 4: Simplify right side
    84,835.46x = 2,755,738,821.07
  5. Step 5: Solve for x
    x = 2,755,738,821.07/84,835.46
  6. Step 6: Final answer
    x = 32,483.34

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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.