Home / 30,424.75-45,637.13-9,648.25

Finding the Fourth Proportional to 30,424.75, 45,637.13 and 9,648.25

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Solution

The fourth proportional to 30,424.75, 45,637.13 and 9,648.25 is: 14,472.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,424.75 : 45,637.13 = 9,648.25 : x
  2. Step 2: Convert to fraction form
    30,424.75/45,637.13 = 9,648.25/x
  3. Step 3: Cross multiply
    30,424.75x = 45,637.13 × 9,648.25
  4. Step 4: Simplify right side
    30,424.75x = 440,318,439.52
  5. Step 5: Solve for x
    x = 440,318,439.52/30,424.75
  6. Step 6: Final answer
    x = 14,472.38

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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.