Home / 31,403.08-43,335.66-17,256.16

Finding the Fourth Proportional to 31,403.08, 43,335.66 and 17,256.16

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Solution

The fourth proportional to 31,403.08, 43,335.66 and 17,256.16 is: 23,813.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,403.08 : 43,335.66 = 17,256.16 : x
  2. Step 2: Convert to fraction form
    31,403.08/43,335.66 = 17,256.16/x
  3. Step 3: Cross multiply
    31,403.08x = 43,335.66 × 17,256.16
  4. Step 4: Simplify right side
    31,403.08x = 747,807,082.67
  5. Step 5: Solve for x
    x = 747,807,082.67/31,403.08
  6. Step 6: Final answer
    x = 23,813.18

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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.