Home / 39,108.17-53,970.15-23,186.81

Finding the Fourth Proportional to 39,108.17, 53,970.15 and 23,186.81

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Solution

The fourth proportional to 39,108.17, 53,970.15 and 23,186.81 is: 31,998.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,108.17 : 53,970.15 = 23,186.81 : x
  2. Step 2: Convert to fraction form
    39,108.17/53,970.15 = 23,186.81/x
  3. Step 3: Cross multiply
    39,108.17x = 53,970.15 × 23,186.81
  4. Step 4: Simplify right side
    39,108.17x = 1,251,395,343.87
  5. Step 5: Solve for x
    x = 1,251,395,343.87/39,108.17
  6. Step 6: Final answer
    x = 31,998.31

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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.