Home / 66,060.69-99,087.58-21,681.60

Finding the Fourth Proportional to 66,060.69, 99,087.58 and 21,681.60

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Solution

The fourth proportional to 66,060.69, 99,087.58 and 21,681.60 is: 32,521.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,060.69 : 99,087.58 = 21,681.60 : x
  2. Step 2: Convert to fraction form
    66,060.69/99,087.58 = 21,681.60/x
  3. Step 3: Cross multiply
    66,060.69x = 99,087.58 × 21,681.60
  4. Step 4: Simplify right side
    66,060.69x = 2,148,377,274.53
  5. Step 5: Solve for x
    x = 2,148,377,274.53/66,060.69
  6. Step 6: Final answer
    x = 32,521.27

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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.