Home / 42,790.28-59,030.69-27,687.81

Finding the Fourth Proportional to 42,790.28, 59,030.69 and 27,687.81

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Solution

The fourth proportional to 42,790.28, 59,030.69 and 27,687.81 is: 38,196.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,790.28 : 59,030.69 = 27,687.81 : x
  2. Step 2: Convert to fraction form
    42,790.28/59,030.69 = 27,687.81/x
  3. Step 3: Cross multiply
    42,790.28x = 59,030.69 × 27,687.81
  4. Step 4: Simplify right side
    42,790.28x = 1,634,430,233.74
  5. Step 5: Solve for x
    x = 1,634,430,233.74/42,790.28
  6. Step 6: Final answer
    x = 38,196.30

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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.