Home / 31,403.10-43,325.56-19,462.08

Finding the Fourth Proportional to 31,403.10, 43,325.56 and 19,462.08

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Solution

The fourth proportional to 31,403.10, 43,325.56 and 19,462.08 is: 26,851.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,403.10 : 43,325.56 = 19,462.08 : x
  2. Step 2: Convert to fraction form
    31,403.10/43,325.56 = 19,462.08/x
  3. Step 3: Cross multiply
    31,403.10x = 43,325.56 × 19,462.08
  4. Step 4: Simplify right side
    31,403.10x = 843,205,701.56
  5. Step 5: Solve for x
    x = 843,205,701.56/31,403.10
  6. Step 6: Final answer
    x = 26,851.03

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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.