Home / 38,441.19-53,048.86-21,445.43

Finding the Fourth Proportional to 38,441.19, 53,048.86 and 21,445.43

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Solution

The fourth proportional to 38,441.19, 53,048.86 and 21,445.43 is: 29,594.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,441.19 : 53,048.86 = 21,445.43 : x
  2. Step 2: Convert to fraction form
    38,441.19/53,048.86 = 21,445.43/x
  3. Step 3: Cross multiply
    38,441.19x = 53,048.86 × 21,445.43
  4. Step 4: Simplify right side
    38,441.19x = 1,137,655,721.02
  5. Step 5: Solve for x
    x = 1,137,655,721.02/38,441.19
  6. Step 6: Final answer
    x = 29,594.71

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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.