Home / 30,943.07-42,701.48-16,795.91

Finding the Fourth Proportional to 30,943.07, 42,701.48 and 16,795.91

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Solution

The fourth proportional to 30,943.07, 42,701.48 and 16,795.91 is: 23,178.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,943.07 : 42,701.48 = 16,795.91 : x
  2. Step 2: Convert to fraction form
    30,943.07/42,701.48 = 16,795.91/x
  3. Step 3: Cross multiply
    30,943.07x = 42,701.48 × 16,795.91
  4. Step 4: Simplify right side
    30,943.07x = 717,210,214.95
  5. Step 5: Solve for x
    x = 717,210,214.95/30,943.07
  6. Step 6: Final answer
    x = 23,178.38

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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.