Home / 59,920.47-89,874.08-21,450.45

Finding the Fourth Proportional to 59,920.47, 89,874.08 and 21,450.45

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Solution

The fourth proportional to 59,920.47, 89,874.08 and 21,450.45 is: 32,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,920.47 : 89,874.08 = 21,450.45 : x
  2. Step 2: Convert to fraction form
    59,920.47/89,874.08 = 21,450.45/x
  3. Step 3: Cross multiply
    59,920.47x = 89,874.08 × 21,450.45
  4. Step 4: Simplify right side
    59,920.47x = 1,927,839,352.08
  5. Step 5: Solve for x
    x = 1,927,839,352.08/59,920.47
  6. Step 6: Final answer
    x = 32,173.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.