Home / 31,824.77-43,916.95-17,678.51

Finding the Fourth Proportional to 31,824.77, 43,916.95 and 17,678.51

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Solution

The fourth proportional to 31,824.77, 43,916.95 and 17,678.51 is: 24,395.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,824.77 : 43,916.95 = 17,678.51 : x
  2. Step 2: Convert to fraction form
    31,824.77/43,916.95 = 17,678.51/x
  3. Step 3: Cross multiply
    31,824.77x = 43,916.95 × 17,678.51
  4. Step 4: Simplify right side
    31,824.77x = 776,385,975.96
  5. Step 5: Solve for x
    x = 776,385,975.96/31,824.77
  6. Step 6: Final answer
    x = 24,395.65

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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.