Home / 62,774.08-94,161.12-21,220

Finding the Fourth Proportional to 62,774.08, 94,161.12 and 21,220

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Solution

The fourth proportional to 62,774.08, 94,161.12 and 21,220 is: 31,830.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,774.08 : 94,161.12 = 21,220 : x
  2. Step 2: Convert to fraction form
    62,774.08/94,161.12 = 21,220/x
  3. Step 3: Cross multiply
    62,774.08x = 94,161.12 × 21,220
  4. Step 4: Simplify right side
    62,774.08x = 1,998,098,966.40
  5. Step 5: Solve for x
    x = 1,998,098,966.40/62,774.08
  6. Step 6: Final answer
    x = 31,830.00

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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.