Home / 32,677.78-45,088.46-21,363.85

Finding the Fourth Proportional to 32,677.78, 45,088.46 and 21,363.85

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Solution

The fourth proportional to 32,677.78, 45,088.46 and 21,363.85 is: 29,477.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,677.78 : 45,088.46 = 21,363.85 : x
  2. Step 2: Convert to fraction form
    32,677.78/45,088.46 = 21,363.85/x
  3. Step 3: Cross multiply
    32,677.78x = 45,088.46 × 21,363.85
  4. Step 4: Simplify right side
    32,677.78x = 963,262,989.35
  5. Step 5: Solve for x
    x = 963,262,989.35/32,677.78
  6. Step 6: Final answer
    x = 29,477.62

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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.