Home / 32,651.09-45,045.07-21,316.66

Finding the Fourth Proportional to 32,651.09, 45,045.07 and 21,316.66

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Solution

The fourth proportional to 32,651.09, 45,045.07 and 21,316.66 is: 29,408.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,651.09 : 45,045.07 = 21,316.66 : x
  2. Step 2: Convert to fraction form
    32,651.09/45,045.07 = 21,316.66/x
  3. Step 3: Cross multiply
    32,651.09x = 45,045.07 × 21,316.66
  4. Step 4: Simplify right side
    32,651.09x = 960,210,441.87
  5. Step 5: Solve for x
    x = 960,210,441.87/32,651.09
  6. Step 6: Final answer
    x = 29,408.22

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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.