Home / 32,887.62-45,374.58-20,127.50

Finding the Fourth Proportional to 32,887.62, 45,374.58 and 20,127.50

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Solution

The fourth proportional to 32,887.62, 45,374.58 and 20,127.50 is: 27,769.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,887.62 : 45,374.58 = 20,127.50 : x
  2. Step 2: Convert to fraction form
    32,887.62/45,374.58 = 20,127.50/x
  3. Step 3: Cross multiply
    32,887.62x = 45,374.58 × 20,127.50
  4. Step 4: Simplify right side
    32,887.62x = 913,276,858.95
  5. Step 5: Solve for x
    x = 913,276,858.95/32,887.62
  6. Step 6: Final answer
    x = 27,769.62

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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.