Home / 32,220.04-44,454.54-20,890

Finding the Fourth Proportional to 32,220.04, 44,454.54 and 20,890

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Solution

The fourth proportional to 32,220.04, 44,454.54 and 20,890 is: 28,822.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,220.04 : 44,454.54 = 20,890 : x
  2. Step 2: Convert to fraction form
    32,220.04/44,454.54 = 20,890/x
  3. Step 3: Cross multiply
    32,220.04x = 44,454.54 × 20,890
  4. Step 4: Simplify right side
    32,220.04x = 928,655,340.60
  5. Step 5: Solve for x
    x = 928,655,340.60/32,220.04
  6. Step 6: Final answer
    x = 28,822.29

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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.