Home / 31,988.81-44,130.29-18,552.28

Finding the Fourth Proportional to 31,988.81, 44,130.29 and 18,552.28

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Solution

The fourth proportional to 31,988.81, 44,130.29 and 18,552.28 is: 25,593.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,988.81 : 44,130.29 = 18,552.28 : x
  2. Step 2: Convert to fraction form
    31,988.81/44,130.29 = 18,552.28/x
  3. Step 3: Cross multiply
    31,988.81x = 44,130.29 × 18,552.28
  4. Step 4: Simplify right side
    31,988.81x = 818,717,496.56
  5. Step 5: Solve for x
    x = 818,717,496.56/31,988.81
  6. Step 6: Final answer
    x = 25,593.87

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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.