Home / 84,735.17-127,102.21-21,554.76

Finding the Fourth Proportional to 84,735.17, 127,102.21 and 21,554.76

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Solution

The fourth proportional to 84,735.17, 127,102.21 and 21,554.76 is: 32,332.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,735.17 : 127,102.21 = 21,554.76 : x
  2. Step 2: Convert to fraction form
    84,735.17/127,102.21 = 21,554.76/x
  3. Step 3: Cross multiply
    84,735.17x = 127,102.21 × 21,554.76
  4. Step 4: Simplify right side
    84,735.17x = 2,739,657,339.82
  5. Step 5: Solve for x
    x = 2,739,657,339.82/84,735.17
  6. Step 6: Final answer
    x = 32,332.00

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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.