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Finding the Fourth Proportional to 61,267.53, 84,534.33 and 35,759.31

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Solution

The fourth proportional to 61,267.53, 84,534.33 and 35,759.31 is: 49,339.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,267.53 : 84,534.33 = 35,759.31 : x
  2. Step 2: Convert to fraction form
    61,267.53/84,534.33 = 35,759.31/x
  3. Step 3: Cross multiply
    61,267.53x = 84,534.33 × 35,759.31
  4. Step 4: Simplify right side
    61,267.53x = 3,022,889,312.11
  5. Step 5: Solve for x
    x = 3,022,889,312.11/61,267.53
  6. Step 6: Final answer
    x = 49,339.17

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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.