Home / 42,787.89-59,027.64-27,685.47

Finding the Fourth Proportional to 42,787.89, 59,027.64 and 27,685.47

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Solution

The fourth proportional to 42,787.89, 59,027.64 and 27,685.47 is: 38,193.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,787.89 : 59,027.64 = 27,685.47 : x
  2. Step 2: Convert to fraction form
    42,787.89/59,027.64 = 27,685.47/x
  3. Step 3: Cross multiply
    42,787.89x = 59,027.64 × 27,685.47
  4. Step 4: Simplify right side
    42,787.89x = 1,634,207,956.39
  5. Step 5: Solve for x
    x = 1,634,207,956.39/42,787.89
  6. Step 6: Final answer
    x = 38,193.24

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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.