Home / 66,490.90-99,633.84-32,718.16

Finding the Fourth Proportional to 66,490.90, 99,633.84 and 32,718.16

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Solution

The fourth proportional to 66,490.90, 99,633.84 and 32,718.16 is: 49,026.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,490.90 : 99,633.84 = 32,718.16 : x
  2. Step 2: Convert to fraction form
    66,490.90/99,633.84 = 32,718.16/x
  3. Step 3: Cross multiply
    66,490.90x = 99,633.84 × 32,718.16
  4. Step 4: Simplify right side
    66,490.90x = 3,259,835,918.53
  5. Step 5: Solve for x
    x = 3,259,835,918.53/66,490.90
  6. Step 6: Final answer
    x = 49,026.80

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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.