Home / 31,981.21-44,117.37-18,547.57

Finding the Fourth Proportional to 31,981.21, 44,117.37 and 18,547.57

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Solution

The fourth proportional to 31,981.21, 44,117.37 and 18,547.57 is: 25,585.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,981.21 : 44,117.37 = 18,547.57 : x
  2. Step 2: Convert to fraction form
    31,981.21/44,117.37 = 18,547.57/x
  3. Step 3: Cross multiply
    31,981.21x = 44,117.37 × 18,547.57
  4. Step 4: Simplify right side
    31,981.21x = 818,270,008.29
  5. Step 5: Solve for x
    x = 818,270,008.29/31,981.21
  6. Step 6: Final answer
    x = 25,585.96

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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.