Home / 30,562.61-42,178.41-17,134.74

Finding the Fourth Proportional to 30,562.61, 42,178.41 and 17,134.74

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Solution

The fourth proportional to 30,562.61, 42,178.41 and 17,134.74 is: 23,647.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,562.61 : 42,178.41 = 17,134.74 : x
  2. Step 2: Convert to fraction form
    30,562.61/42,178.41 = 17,134.74/x
  3. Step 3: Cross multiply
    30,562.61x = 42,178.41 × 17,134.74
  4. Step 4: Simplify right side
    30,562.61x = 722,716,088.96
  5. Step 5: Solve for x
    x = 722,716,088.96/30,562.61
  6. Step 6: Final answer
    x = 23,647.07

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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.