Home / 32,656.08-45,051.98-21,321.66

Finding the Fourth Proportional to 32,656.08, 45,051.98 and 21,321.66

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Solution

The fourth proportional to 32,656.08, 45,051.98 and 21,321.66 is: 29,415.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,656.08 : 45,051.98 = 21,321.66 : x
  2. Step 2: Convert to fraction form
    32,656.08/45,051.98 = 21,321.66/x
  3. Step 3: Cross multiply
    32,656.08x = 45,051.98 × 21,321.66
  4. Step 4: Simplify right side
    32,656.08x = 960,582,999.89
  5. Step 5: Solve for x
    x = 960,582,999.89/32,656.08
  6. Step 6: Final answer
    x = 29,415.13

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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.