Home / 42,632.24-63,893.63-20,412.32

Finding the Fourth Proportional to 42,632.24, 63,893.63 and 20,412.32

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Solution

The fourth proportional to 42,632.24, 63,893.63 and 20,412.32 is: 30,592.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,632.24 : 63,893.63 = 20,412.32 : x
  2. Step 2: Convert to fraction form
    42,632.24/63,893.63 = 20,412.32/x
  3. Step 3: Cross multiply
    42,632.24x = 63,893.63 × 20,412.32
  4. Step 4: Simplify right side
    42,632.24x = 1,304,216,799.99
  5. Step 5: Solve for x
    x = 1,304,216,799.99/42,632.24
  6. Step 6: Final answer
    x = 30,592.27

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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.