Home / 30,562.77-42,177.81-17,134.32

Finding the Fourth Proportional to 30,562.77, 42,177.81 and 17,134.32

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Solution

The fourth proportional to 30,562.77, 42,177.81 and 17,134.32 is: 23,646.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,562.77 : 42,177.81 = 17,134.32 : x
  2. Step 2: Convert to fraction form
    30,562.77/42,177.81 = 17,134.32/x
  3. Step 3: Cross multiply
    30,562.77x = 42,177.81 × 17,134.32
  4. Step 4: Simplify right side
    30,562.77x = 722,688,093.44
  5. Step 5: Solve for x
    x = 722,688,093.44/30,562.77
  6. Step 6: Final answer
    x = 23,646.03

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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.