Home / 42,824.51-64,237.16-19,133.24

Finding the Fourth Proportional to 42,824.51, 64,237.16 and 19,133.24

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Solution

The fourth proportional to 42,824.51, 64,237.16 and 19,133.24 is: 28,700.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,824.51 : 64,237.16 = 19,133.24 : x
  2. Step 2: Convert to fraction form
    42,824.51/64,237.16 = 19,133.24/x
  3. Step 3: Cross multiply
    42,824.51x = 64,237.16 × 19,133.24
  4. Step 4: Simplify right side
    42,824.51x = 1,229,065,207.62
  5. Step 5: Solve for x
    x = 1,229,065,207.62/42,824.51
  6. Step 6: Final answer
    x = 28,700.04

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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.