Home / 38,724.04-53,436.96-21,495.52

Finding the Fourth Proportional to 38,724.04, 53,436.96 and 21,495.52

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Solution

The fourth proportional to 38,724.04, 53,436.96 and 21,495.52 is: 29,662.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,724.04 : 53,436.96 = 21,495.52 : x
  2. Step 2: Convert to fraction form
    38,724.04/53,436.96 = 21,495.52/x
  3. Step 3: Cross multiply
    38,724.04x = 53,436.96 × 21,495.52
  4. Step 4: Simplify right side
    38,724.04x = 1,148,655,242.42
  5. Step 5: Solve for x
    x = 1,148,655,242.42/38,724.04
  6. Step 6: Final answer
    x = 29,662.59

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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.