Home / 47,065.86-64,918.10-39,943.22

Finding the Fourth Proportional to 47,065.86, 64,918.10 and 39,943.22

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Solution

The fourth proportional to 47,065.86, 64,918.10 and 39,943.22 is: 55,093.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,065.86 : 64,918.10 = 39,943.22 : x
  2. Step 2: Convert to fraction form
    47,065.86/64,918.10 = 39,943.22/x
  3. Step 3: Cross multiply
    47,065.86x = 64,918.10 × 39,943.22
  4. Step 4: Simplify right side
    47,065.86x = 2,593,037,950.28
  5. Step 5: Solve for x
    x = 2,593,037,950.28/47,065.86
  6. Step 6: Final answer
    x = 55,093.82

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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.