Home / 43,224.72-64,700.28-28,398.48

Finding the Fourth Proportional to 43,224.72, 64,700.28 and 28,398.48

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Solution

The fourth proportional to 43,224.72, 64,700.28 and 28,398.48 is: 42,507.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,224.72 : 64,700.28 = 28,398.48 : x
  2. Step 2: Convert to fraction form
    43,224.72/64,700.28 = 28,398.48/x
  3. Step 3: Cross multiply
    43,224.72x = 64,700.28 × 28,398.48
  4. Step 4: Simplify right side
    43,224.72x = 1,837,389,607.57
  5. Step 5: Solve for x
    x = 1,837,389,607.57/43,224.72
  6. Step 6: Final answer
    x = 42,507.84

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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.