Home / 30,889.96-42,631.52-17,282.95

Finding the Fourth Proportional to 30,889.96, 42,631.52 and 17,282.95

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Solution

The fourth proportional to 30,889.96, 42,631.52 and 17,282.95 is: 23,852.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,889.96 : 42,631.52 = 17,282.95 : x
  2. Step 2: Convert to fraction form
    30,889.96/42,631.52 = 17,282.95/x
  3. Step 3: Cross multiply
    30,889.96x = 42,631.52 × 17,282.95
  4. Step 4: Simplify right side
    30,889.96x = 736,798,235.59
  5. Step 5: Solve for x
    x = 736,798,235.59/30,889.96
  6. Step 6: Final answer
    x = 23,852.36

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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.