Home / 32,905.65-45,410.19-19,981.26

Finding the Fourth Proportional to 32,905.65, 45,410.19 and 19,981.26

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Solution

The fourth proportional to 32,905.65, 45,410.19 and 19,981.26 is: 27,574.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,905.65 : 45,410.19 = 19,981.26 : x
  2. Step 2: Convert to fraction form
    32,905.65/45,410.19 = 19,981.26/x
  3. Step 3: Cross multiply
    32,905.65x = 45,410.19 × 19,981.26
  4. Step 4: Simplify right side
    32,905.65x = 907,352,813.04
  5. Step 5: Solve for x
    x = 907,352,813.04/32,905.65
  6. Step 6: Final answer
    x = 27,574.38

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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.