Home / 31,533.48-47,296.56-8,158.08

Finding the Fourth Proportional to 31,533.48, 47,296.56 and 8,158.08

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Solution

The fourth proportional to 31,533.48, 47,296.56 and 8,158.08 is: 12,236.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,533.48 : 47,296.56 = 8,158.08 : x
  2. Step 2: Convert to fraction form
    31,533.48/47,296.56 = 8,158.08/x
  3. Step 3: Cross multiply
    31,533.48x = 47,296.56 × 8,158.08
  4. Step 4: Simplify right side
    31,533.48x = 385,849,120.20
  5. Step 5: Solve for x
    x = 385,849,120.20/31,533.48
  6. Step 6: Final answer
    x = 12,236.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.