Home / 32,987.36-45,521.42-19,550.65

Finding the Fourth Proportional to 32,987.36, 45,521.42 and 19,550.65

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Solution

The fourth proportional to 32,987.36, 45,521.42 and 19,550.65 is: 26,979.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,987.36 : 45,521.42 = 19,550.65 : x
  2. Step 2: Convert to fraction form
    32,987.36/45,521.42 = 19,550.65/x
  3. Step 3: Cross multiply
    32,987.36x = 45,521.42 × 19,550.65
  4. Step 4: Simplify right side
    32,987.36x = 889,973,349.92
  5. Step 5: Solve for x
    x = 889,973,349.92/32,987.36
  6. Step 6: Final answer
    x = 26,979.22

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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.