Home / 31,206.96-43,062.35-17,775.40

Finding the Fourth Proportional to 31,206.96, 43,062.35 and 17,775.40

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Solution

The fourth proportional to 31,206.96, 43,062.35 and 17,775.40 is: 24,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,206.96 : 43,062.35 = 17,775.40 : x
  2. Step 2: Convert to fraction form
    31,206.96/43,062.35 = 17,775.40/x
  3. Step 3: Cross multiply
    31,206.96x = 43,062.35 × 17,775.40
  4. Step 4: Simplify right side
    31,206.96x = 765,450,496.19
  5. Step 5: Solve for x
    x = 765,450,496.19/31,206.96
  6. Step 6: Final answer
    x = 24,528.20

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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.