Home / 38,916.75-53,706.36-22,785.65

Finding the Fourth Proportional to 38,916.75, 53,706.36 and 22,785.65

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Solution

The fourth proportional to 38,916.75, 53,706.36 and 22,785.65 is: 31,444.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,916.75 : 53,706.36 = 22,785.65 : x
  2. Step 2: Convert to fraction form
    38,916.75/53,706.36 = 22,785.65/x
  3. Step 3: Cross multiply
    38,916.75x = 53,706.36 × 22,785.65
  4. Step 4: Simplify right side
    38,916.75x = 1,223,733,939.27
  5. Step 5: Solve for x
    x = 1,223,733,939.27/38,916.75
  6. Step 6: Final answer
    x = 31,444.92

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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.