Home / 31,389.30-43,325.03-17,968.22

Finding the Fourth Proportional to 31,389.30, 43,325.03 and 17,968.22

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Solution

The fourth proportional to 31,389.30, 43,325.03 and 17,968.22 is: 24,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,389.30 : 43,325.03 = 17,968.22 : x
  2. Step 2: Convert to fraction form
    31,389.30/43,325.03 = 17,968.22/x
  3. Step 3: Cross multiply
    31,389.30x = 43,325.03 × 17,968.22
  4. Step 4: Simplify right side
    31,389.30x = 778,473,364.08
  5. Step 5: Solve for x
    x = 778,473,364.08/31,389.30
  6. Step 6: Final answer
    x = 24,800.60

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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.