Home / 33,237.90-45,856.80-21,307.82

Finding the Fourth Proportional to 33,237.90, 45,856.80 and 21,307.82

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Solution

The fourth proportional to 33,237.90, 45,856.80 and 21,307.82 is: 29,397.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,237.90 : 45,856.80 = 21,307.82 : x
  2. Step 2: Convert to fraction form
    33,237.90/45,856.80 = 21,307.82/x
  3. Step 3: Cross multiply
    33,237.90x = 45,856.80 × 21,307.82
  4. Step 4: Simplify right side
    33,237.90x = 977,108,440.18
  5. Step 5: Solve for x
    x = 977,108,440.18/33,237.90
  6. Step 6: Final answer
    x = 29,397.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.