Home / 32,929.70-45,451.77-20,347.34

Finding the Fourth Proportional to 32,929.70, 45,451.77 and 20,347.34

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Solution

The fourth proportional to 32,929.70, 45,451.77 and 20,347.34 is: 28,084.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,929.70 : 45,451.77 = 20,347.34 : x
  2. Step 2: Convert to fraction form
    32,929.70/45,451.77 = 20,347.34/x
  3. Step 3: Cross multiply
    32,929.70x = 45,451.77 × 20,347.34
  4. Step 4: Simplify right side
    32,929.70x = 924,822,617.79
  5. Step 5: Solve for x
    x = 924,822,617.79/32,929.70
  6. Step 6: Final answer
    x = 28,084.76

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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.