Home / 53,253.78-73,490.47-29,380.45

Finding the Fourth Proportional to 53,253.78, 73,490.47 and 29,380.45

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Solution

The fourth proportional to 53,253.78, 73,490.47 and 29,380.45 is: 40,545.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,253.78 : 73,490.47 = 29,380.45 : x
  2. Step 2: Convert to fraction form
    53,253.78/73,490.47 = 29,380.45/x
  3. Step 3: Cross multiply
    53,253.78x = 73,490.47 × 29,380.45
  4. Step 4: Simplify right side
    53,253.78x = 2,159,183,079.31
  5. Step 5: Solve for x
    x = 2,159,183,079.31/53,253.78
  6. Step 6: Final answer
    x = 40,545.16

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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.