Home / 31,851.07-43,955.94-17,703.07

Finding the Fourth Proportional to 31,851.07, 43,955.94 and 17,703.07

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Solution

The fourth proportional to 31,851.07, 43,955.94 and 17,703.07 is: 24,431.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,851.07 : 43,955.94 = 17,703.07 : x
  2. Step 2: Convert to fraction form
    31,851.07/43,955.94 = 17,703.07/x
  3. Step 3: Cross multiply
    31,851.07x = 43,955.94 × 17,703.07
  4. Step 4: Simplify right side
    31,851.07x = 778,155,082.74
  5. Step 5: Solve for x
    x = 778,155,082.74/31,851.07
  6. Step 6: Final answer
    x = 24,431.05

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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.