Home / 84,931.72-127,400.26-21,752.24

Finding the Fourth Proportional to 84,931.72, 127,400.26 and 21,752.24

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Solution

The fourth proportional to 84,931.72, 127,400.26 and 21,752.24 is: 32,629.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,931.72 : 127,400.26 = 21,752.24 : x
  2. Step 2: Convert to fraction form
    84,931.72/127,400.26 = 21,752.24/x
  3. Step 3: Cross multiply
    84,931.72x = 127,400.26 × 21,752.24
  4. Step 4: Simplify right side
    84,931.72x = 2,771,241,031.58
  5. Step 5: Solve for x
    x = 2,771,241,031.58/84,931.72
  6. Step 6: Final answer
    x = 32,629.05

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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.