Home / 32,851.90-45,339.83-21,530.98

Finding the Fourth Proportional to 32,851.90, 45,339.83 and 21,530.98

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Solution

The fourth proportional to 32,851.90, 45,339.83 and 21,530.98 is: 29,715.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,851.90 : 45,339.83 = 21,530.98 : x
  2. Step 2: Convert to fraction form
    32,851.90/45,339.83 = 21,530.98/x
  3. Step 3: Cross multiply
    32,851.90x = 45,339.83 × 21,530.98
  4. Step 4: Simplify right side
    32,851.90x = 976,210,972.93
  5. Step 5: Solve for x
    x = 976,210,972.93/32,851.90
  6. Step 6: Final answer
    x = 29,715.51

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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.