Home / 53,649.17-80,455.53-18,580.63

Finding the Fourth Proportional to 53,649.17, 80,455.53 and 18,580.63

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Solution

The fourth proportional to 53,649.17, 80,455.53 and 18,580.63 is: 27,864.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,649.17 : 80,455.53 = 18,580.63 : x
  2. Step 2: Convert to fraction form
    53,649.17/80,455.53 = 18,580.63/x
  3. Step 3: Cross multiply
    53,649.17x = 80,455.53 × 18,580.63
  4. Step 4: Simplify right side
    53,649.17x = 1,494,914,434.38
  5. Step 5: Solve for x
    x = 1,494,914,434.38/53,649.17
  6. Step 6: Final answer
    x = 27,864.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.