Home / 39,430.89-54,415.85-22,437.59

Finding the Fourth Proportional to 39,430.89, 54,415.85 and 22,437.59

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Solution

The fourth proportional to 39,430.89, 54,415.85 and 22,437.59 is: 30,964.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,430.89 : 54,415.85 = 22,437.59 : x
  2. Step 2: Convert to fraction form
    39,430.89/54,415.85 = 22,437.59/x
  3. Step 3: Cross multiply
    39,430.89x = 54,415.85 × 22,437.59
  4. Step 4: Simplify right side
    39,430.89x = 1,220,960,147.53
  5. Step 5: Solve for x
    x = 1,220,960,147.53/39,430.89
  6. Step 6: Final answer
    x = 30,964.56

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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.