Home / 38,578.16-53,268.06-29,611.46

Finding the Fourth Proportional to 38,578.16, 53,268.06 and 29,611.46

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Solution

The fourth proportional to 38,578.16, 53,268.06 and 29,611.46 is: 40,886.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,578.16 : 53,268.06 = 29,611.46 : x
  2. Step 2: Convert to fraction form
    38,578.16/53,268.06 = 29,611.46/x
  3. Step 3: Cross multiply
    38,578.16x = 53,268.06 × 29,611.46
  4. Step 4: Simplify right side
    38,578.16x = 1,577,344,761.63
  5. Step 5: Solve for x
    x = 1,577,344,761.63/38,578.16
  6. Step 6: Final answer
    x = 40,886.99

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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.