Home / 30,588.64-42,215.52-17,163.52

Finding the Fourth Proportional to 30,588.64, 42,215.52 and 17,163.52

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Solution

The fourth proportional to 30,588.64, 42,215.52 and 17,163.52 is: 23,687.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588.64 : 42,215.52 = 17,163.52 : x
  2. Step 2: Convert to fraction form
    30,588.64/42,215.52 = 17,163.52/x
  3. Step 3: Cross multiply
    30,588.64x = 42,215.52 × 17,163.52
  4. Step 4: Simplify right side
    30,588.64x = 724,566,921.83
  5. Step 5: Solve for x
    x = 724,566,921.83/30,588.64
  6. Step 6: Final answer
    x = 23,687.45

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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.