Home / 39,045.65-53,880.86-22,910.78

Finding the Fourth Proportional to 39,045.65, 53,880.86 and 22,910.78

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Solution

The fourth proportional to 39,045.65, 53,880.86 and 22,910.78 is: 31,615.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,045.65 : 53,880.86 = 22,910.78 : x
  2. Step 2: Convert to fraction form
    39,045.65/53,880.86 = 22,910.78/x
  3. Step 3: Cross multiply
    39,045.65x = 53,880.86 × 22,910.78
  4. Step 4: Simplify right side
    39,045.65x = 1,234,452,721.65
  5. Step 5: Solve for x
    x = 1,234,452,721.65/39,045.65
  6. Step 6: Final answer
    x = 31,615.63

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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.