Home / 32,625.28-45,041.54-21,479.68

Finding the Fourth Proportional to 32,625.28, 45,041.54 and 21,479.68

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Solution

The fourth proportional to 32,625.28, 45,041.54 and 21,479.68 is: 29,654.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,625.28 : 45,041.54 = 21,479.68 : x
  2. Step 2: Convert to fraction form
    32,625.28/45,041.54 = 21,479.68/x
  3. Step 3: Cross multiply
    32,625.28x = 45,041.54 × 21,479.68
  4. Step 4: Simplify right side
    32,625.28x = 967,477,865.91
  5. Step 5: Solve for x
    x = 967,477,865.91/32,625.28
  6. Step 6: Final answer
    x = 29,654.24

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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.