Home / 32,800.87-45,267.65-20,056.47

Finding the Fourth Proportional to 32,800.87, 45,267.65 and 20,056.47

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Solution

The fourth proportional to 32,800.87, 45,267.65 and 20,056.47 is: 27,679.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,800.87 : 45,267.65 = 20,056.47 : x
  2. Step 2: Convert to fraction form
    32,800.87/45,267.65 = 20,056.47/x
  3. Step 3: Cross multiply
    32,800.87x = 45,267.65 × 20,056.47
  4. Step 4: Simplify right side
    32,800.87x = 907,909,264.20
  5. Step 5: Solve for x
    x = 907,909,264.20/32,800.87
  6. Step 6: Final answer
    x = 27,679.43

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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.