Home / 31,088.21-42,901.67-16,941.02

Finding the Fourth Proportional to 31,088.21, 42,901.67 and 16,941.02

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Solution

The fourth proportional to 31,088.21, 42,901.67 and 16,941.02 is: 23,378.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,088.21 : 42,901.67 = 16,941.02 : x
  2. Step 2: Convert to fraction form
    31,088.21/42,901.67 = 16,941.02/x
  3. Step 3: Cross multiply
    31,088.21x = 42,901.67 × 16,941.02
  4. Step 4: Simplify right side
    31,088.21x = 726,797,964.80
  5. Step 5: Solve for x
    x = 726,797,964.80/31,088.21
  6. Step 6: Final answer
    x = 23,378.57

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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.