Home / 38,439.44-53,045.51-21,445.32

Finding the Fourth Proportional to 38,439.44, 53,045.51 and 21,445.32

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Solution

The fourth proportional to 38,439.44, 53,045.51 and 21,445.32 is: 29,594.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,439.44 : 53,045.51 = 21,445.32 : x
  2. Step 2: Convert to fraction form
    38,439.44/53,045.51 = 21,445.32/x
  3. Step 3: Cross multiply
    38,439.44x = 53,045.51 × 21,445.32
  4. Step 4: Simplify right side
    38,439.44x = 1,137,577,829.29
  5. Step 5: Solve for x
    x = 1,137,577,829.29/38,439.44
  6. Step 6: Final answer
    x = 29,594.03

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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.