Home / 62,982.41-86,921.87-47,039.18

Finding the Fourth Proportional to 62,982.41, 86,921.87 and 47,039.18

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Solution

The fourth proportional to 62,982.41, 86,921.87 and 47,039.18 is: 64,918.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,982.41 : 86,921.87 = 47,039.18 : x
  2. Step 2: Convert to fraction form
    62,982.41/86,921.87 = 47,039.18/x
  3. Step 3: Cross multiply
    62,982.41x = 86,921.87 × 47,039.18
  4. Step 4: Simplify right side
    62,982.41x = 4,088,733,488.87
  5. Step 5: Solve for x
    x = 4,088,733,488.87/62,982.41
  6. Step 6: Final answer
    x = 64,918.66

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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.