Home / 42,790.21-59,030.61-27,687.75

Finding the Fourth Proportional to 42,790.21, 59,030.61 and 27,687.75

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Solution

The fourth proportional to 42,790.21, 59,030.61 and 27,687.75 is: 38,196.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,790.21 : 59,030.61 = 27,687.75 : x
  2. Step 2: Convert to fraction form
    42,790.21/59,030.61 = 27,687.75/x
  3. Step 3: Cross multiply
    42,790.21x = 59,030.61 × 27,687.75
  4. Step 4: Simplify right side
    42,790.21x = 1,634,424,338.44
  5. Step 5: Solve for x
    x = 1,634,424,338.44/42,790.21
  6. Step 6: Final answer
    x = 38,196.22

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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.