Home / 66,538.94-99,824.15-21,560.23

Finding the Fourth Proportional to 66,538.94, 99,824.15 and 21,560.23

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Solution

The fourth proportional to 66,538.94, 99,824.15 and 21,560.23 is: 32,345.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,538.94 : 99,824.15 = 21,560.23 : x
  2. Step 2: Convert to fraction form
    66,538.94/99,824.15 = 21,560.23/x
  3. Step 3: Cross multiply
    66,538.94x = 99,824.15 × 21,560.23
  4. Step 4: Simplify right side
    66,538.94x = 2,152,231,026.63
  5. Step 5: Solve for x
    x = 2,152,231,026.63/66,538.94
  6. Step 6: Final answer
    x = 32,345.44

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1.5x scale

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.