Home / 66,307.16-99,459.77-16,387.25

Finding the Fourth Proportional to 66,307.16, 99,459.77 and 16,387.25

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Solution

The fourth proportional to 66,307.16, 99,459.77 and 16,387.25 is: 24,580.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,307.16 : 99,459.77 = 16,387.25 : x
  2. Step 2: Convert to fraction form
    66,307.16/99,459.77 = 16,387.25/x
  3. Step 3: Cross multiply
    66,307.16x = 99,459.77 × 16,387.25
  4. Step 4: Simplify right side
    66,307.16x = 1,629,872,282.65
  5. Step 5: Solve for x
    x = 1,629,872,282.65/66,307.16
  6. Step 6: Final answer
    x = 24,580.64

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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.