Home / 31,916.16-44,054.28-19,178.64

Finding the Fourth Proportional to 31,916.16, 44,054.28 and 19,178.64

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Solution

The fourth proportional to 31,916.16, 44,054.28 and 19,178.64 is: 26,472.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,916.16 : 44,054.28 = 19,178.64 : x
  2. Step 2: Convert to fraction form
    31,916.16/44,054.28 = 19,178.64/x
  3. Step 3: Cross multiply
    31,916.16x = 44,054.28 × 19,178.64
  4. Step 4: Simplify right side
    31,916.16x = 844,901,176.58
  5. Step 5: Solve for x
    x = 844,901,176.58/31,916.16
  6. Step 6: Final answer
    x = 26,472.52

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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.