Home / 30,943.01-42,701.54-16,795.95

Finding the Fourth Proportional to 30,943.01, 42,701.54 and 16,795.95

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Solution

The fourth proportional to 30,943.01, 42,701.54 and 16,795.95 is: 23,178.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,943.01 : 42,701.54 = 16,795.95 : x
  2. Step 2: Convert to fraction form
    30,943.01/42,701.54 = 16,795.95/x
  3. Step 3: Cross multiply
    30,943.01x = 42,701.54 × 16,795.95
  4. Step 4: Simplify right side
    30,943.01x = 717,212,846.78
  5. Step 5: Solve for x
    x = 717,212,846.78/30,943.01
  6. Step 6: Final answer
    x = 23,178.51

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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.