Home / 35,915.65-49,567.04-20,000.09

Finding the Fourth Proportional to 35,915.65, 49,567.04 and 20,000.09

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Solution

The fourth proportional to 35,915.65, 49,567.04 and 20,000.09 is: 27,602.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,915.65 : 49,567.04 = 20,000.09 : x
  2. Step 2: Convert to fraction form
    35,915.65/49,567.04 = 20,000.09/x
  3. Step 3: Cross multiply
    35,915.65x = 49,567.04 × 20,000.09
  4. Step 4: Simplify right side
    35,915.65x = 991,345,434.95
  5. Step 5: Solve for x
    x = 991,345,434.95/35,915.65
  6. Step 6: Final answer
    x = 27,602.05

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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.