Home / 37,813.08-52,178.28-21,902.64

Finding the Fourth Proportional to 37,813.08, 52,178.28 and 21,902.64

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Solution

The fourth proportional to 37,813.08, 52,178.28 and 21,902.64 is: 30,223.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,813.08 : 52,178.28 = 21,902.64 : x
  2. Step 2: Convert to fraction form
    37,813.08/52,178.28 = 21,902.64/x
  3. Step 3: Cross multiply
    37,813.08x = 52,178.28 × 21,902.64
  4. Step 4: Simplify right side
    37,813.08x = 1,142,842,082.66
  5. Step 5: Solve for x
    x = 1,142,842,082.66/37,813.08
  6. Step 6: Final answer
    x = 30,223.46

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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.