Home / 31,114.21-42,935.92-17,683.60

Finding the Fourth Proportional to 31,114.21, 42,935.92 and 17,683.60

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Solution

The fourth proportional to 31,114.21, 42,935.92 and 17,683.60 is: 24,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,114.21 : 42,935.92 = 17,683.60 : x
  2. Step 2: Convert to fraction form
    31,114.21/42,935.92 = 17,683.60/x
  3. Step 3: Cross multiply
    31,114.21x = 42,935.92 × 17,683.60
  4. Step 4: Simplify right side
    31,114.21x = 759,261,483.36
  5. Step 5: Solve for x
    x = 759,261,483.36/31,114.21
  6. Step 6: Final answer
    x = 24,402.40

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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.