Home / 31,988.68-44,130.12-18,552.16

Finding the Fourth Proportional to 31,988.68, 44,130.12 and 18,552.16

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Solution

The fourth proportional to 31,988.68, 44,130.12 and 18,552.16 is: 25,593.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,988.68 : 44,130.12 = 18,552.16 : x
  2. Step 2: Convert to fraction form
    31,988.68/44,130.12 = 18,552.16/x
  3. Step 3: Cross multiply
    31,988.68x = 44,130.12 × 18,552.16
  4. Step 4: Simplify right side
    31,988.68x = 818,709,047.06
  5. Step 5: Solve for x
    x = 818,709,047.06/31,988.68
  6. Step 6: Final answer
    x = 25,593.71

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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.