Home / 32,700.48-49,003.80-18,631.36

Finding the Fourth Proportional to 32,700.48, 49,003.80 and 18,631.36

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Solution

The fourth proportional to 32,700.48, 49,003.80 and 18,631.36 is: 27,920.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,700.48 : 49,003.80 = 18,631.36 : x
  2. Step 2: Convert to fraction form
    32,700.48/49,003.80 = 18,631.36/x
  3. Step 3: Cross multiply
    32,700.48x = 49,003.80 × 18,631.36
  4. Step 4: Simplify right side
    32,700.48x = 913,007,439.17
  5. Step 5: Solve for x
    x = 913,007,439.17/32,700.48
  6. Step 6: Final answer
    x = 27,920.31

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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.