Home / 32,648.21-45,064.78-18,510.47

Finding the Fourth Proportional to 32,648.21, 45,064.78 and 18,510.47

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Solution

The fourth proportional to 32,648.21, 45,064.78 and 18,510.47 is: 25,550.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,648.21 : 45,064.78 = 18,510.47 : x
  2. Step 2: Convert to fraction form
    32,648.21/45,064.78 = 18,510.47/x
  3. Step 3: Cross multiply
    32,648.21x = 45,064.78 × 18,510.47
  4. Step 4: Simplify right side
    32,648.21x = 834,169,986.65
  5. Step 5: Solve for x
    x = 834,169,986.65/32,648.21
  6. Step 6: Final answer
    x = 25,550.26

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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.