Home / 53,640.90-74,029.08-29,772.24

Finding the Fourth Proportional to 53,640.90, 74,029.08 and 29,772.24

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Solution

The fourth proportional to 53,640.90, 74,029.08 and 29,772.24 is: 41,088.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,640.90 : 74,029.08 = 29,772.24 : x
  2. Step 2: Convert to fraction form
    53,640.90/74,029.08 = 29,772.24/x
  3. Step 3: Cross multiply
    53,640.90x = 74,029.08 × 29,772.24
  4. Step 4: Simplify right side
    53,640.90x = 2,204,011,536.74
  5. Step 5: Solve for x
    x = 2,204,011,536.74/53,640.90
  6. Step 6: Final answer
    x = 41,088.27

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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.