Home / 30,007.61-41,406.98-16,578.07

Finding the Fourth Proportional to 30,007.61, 41,406.98 and 16,578.07

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Solution

The fourth proportional to 30,007.61, 41,406.98 and 16,578.07 is: 22,875.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,007.61 : 41,406.98 = 16,578.07 : x
  2. Step 2: Convert to fraction form
    30,007.61/41,406.98 = 16,578.07/x
  3. Step 3: Cross multiply
    30,007.61x = 41,406.98 × 16,578.07
  4. Step 4: Simplify right side
    30,007.61x = 686,447,684.80
  5. Step 5: Solve for x
    x = 686,447,684.80/30,007.61
  6. Step 6: Final answer
    x = 22,875.78

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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.