Home / 32,703.06-45,118.62-21,379.08

Finding the Fourth Proportional to 32,703.06, 45,118.62 and 21,379.08

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Solution

The fourth proportional to 32,703.06, 45,118.62 and 21,379.08 is: 29,495.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,703.06 : 45,118.62 = 21,379.08 : x
  2. Step 2: Convert to fraction form
    32,703.06/45,118.62 = 21,379.08/x
  3. Step 3: Cross multiply
    32,703.06x = 45,118.62 × 21,379.08
  4. Step 4: Simplify right side
    32,703.06x = 964,594,586.47
  5. Step 5: Solve for x
    x = 964,594,586.47/32,703.06
  6. Step 6: Final answer
    x = 29,495.55

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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.