Home / 31,560.51-43,547.45-18,986.07

Finding the Fourth Proportional to 31,560.51, 43,547.45 and 18,986.07

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Solution

The fourth proportional to 31,560.51, 43,547.45 and 18,986.07 is: 26,197.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,560.51 : 43,547.45 = 18,986.07 : x
  2. Step 2: Convert to fraction form
    31,560.51/43,547.45 = 18,986.07/x
  3. Step 3: Cross multiply
    31,560.51x = 43,547.45 × 18,986.07
  4. Step 4: Simplify right side
    31,560.51x = 826,794,839.09
  5. Step 5: Solve for x
    x = 826,794,839.09/31,560.51
  6. Step 6: Final answer
    x = 26,197.13

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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.