Home / 32,418.98-44,775.10-21,790.16

Finding the Fourth Proportional to 32,418.98, 44,775.10 and 21,790.16

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Solution

The fourth proportional to 32,418.98, 44,775.10 and 21,790.16 is: 30,095.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,418.98 : 44,775.10 = 21,790.16 : x
  2. Step 2: Convert to fraction form
    32,418.98/44,775.10 = 21,790.16/x
  3. Step 3: Cross multiply
    32,418.98x = 44,775.10 × 21,790.16
  4. Step 4: Simplify right side
    32,418.98x = 975,656,877.43
  5. Step 5: Solve for x
    x = 975,656,877.43/32,418.98
  6. Step 6: Final answer
    x = 30,095.23

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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.