Home / 38,445.18-53,054.73-21,449.28

Finding the Fourth Proportional to 38,445.18, 53,054.73 and 21,449.28

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Solution

The fourth proportional to 38,445.18, 53,054.73 and 21,449.28 is: 29,600.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,445.18 : 53,054.73 = 21,449.28 : x
  2. Step 2: Convert to fraction form
    38,445.18/53,054.73 = 21,449.28/x
  3. Step 3: Cross multiply
    38,445.18x = 53,054.73 × 21,449.28
  4. Step 4: Simplify right side
    38,445.18x = 1,137,985,759.09
  5. Step 5: Solve for x
    x = 1,137,985,759.09/38,445.18
  6. Step 6: Final answer
    x = 29,600.22

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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.