Home / 32,888.64-45,356.55-21,554.07

Finding the Fourth Proportional to 32,888.64, 45,356.55 and 21,554.07

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Solution

The fourth proportional to 32,888.64, 45,356.55 and 21,554.07 is: 29,725.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,888.64 : 45,356.55 = 21,554.07 : x
  2. Step 2: Convert to fraction form
    32,888.64/45,356.55 = 21,554.07/x
  3. Step 3: Cross multiply
    32,888.64x = 45,356.55 × 21,554.07
  4. Step 4: Simplify right side
    32,888.64x = 977,618,253.66
  5. Step 5: Solve for x
    x = 977,618,253.66/32,888.64
  6. Step 6: Final answer
    x = 29,725.10

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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.