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Finding the Fourth Proportional to 60,307.07, 83,220.82 and 33,447.20

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Solution

The fourth proportional to 60,307.07, 83,220.82 and 33,447.20 is: 46,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,307.07 : 83,220.82 = 33,447.20 : x
  2. Step 2: Convert to fraction form
    60,307.07/83,220.82 = 33,447.20/x
  3. Step 3: Cross multiply
    60,307.07x = 83,220.82 × 33,447.20
  4. Step 4: Simplify right side
    60,307.07x = 2,783,502,910.98
  5. Step 5: Solve for x
    x = 2,783,502,910.98/60,307.07
  6. Step 6: Final answer
    x = 46,155.50

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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.