Home / 30,889.50-42,628.17-17,459.95

Finding the Fourth Proportional to 30,889.50, 42,628.17 and 17,459.95

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Solution

The fourth proportional to 30,889.50, 42,628.17 and 17,459.95 is: 24,095.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,889.50 : 42,628.17 = 17,459.95 : x
  2. Step 2: Convert to fraction form
    30,889.50/42,628.17 = 17,459.95/x
  3. Step 3: Cross multiply
    30,889.50x = 42,628.17 × 17,459.95
  4. Step 4: Simplify right side
    30,889.50x = 744,285,736.06
  5. Step 5: Solve for x
    x = 744,285,736.06/30,889.50
  6. Step 6: Final answer
    x = 24,095.10

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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.