Home / 38,442.48-53,049.60-21,448.32

Finding the Fourth Proportional to 38,442.48, 53,049.60 and 21,448.32

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Solution

The fourth proportional to 38,442.48, 53,049.60 and 21,448.32 is: 29,598.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,442.48 : 53,049.60 = 21,448.32 : x
  2. Step 2: Convert to fraction form
    38,442.48/53,049.60 = 21,448.32/x
  3. Step 3: Cross multiply
    38,442.48x = 53,049.60 × 21,448.32
  4. Step 4: Simplify right side
    38,442.48x = 1,137,824,796.67
  5. Step 5: Solve for x
    x = 1,137,824,796.67/38,442.48
  6. Step 6: Final answer
    x = 29,598.11

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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.