Home / 62,809.24-86,678.34-34,515.64

Finding the Fourth Proportional to 62,809.24, 86,678.34 and 34,515.64

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Solution

The fourth proportional to 62,809.24, 86,678.34 and 34,515.64 is: 47,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,809.24 : 86,678.34 = 34,515.64 : x
  2. Step 2: Convert to fraction form
    62,809.24/86,678.34 = 34,515.64/x
  3. Step 3: Cross multiply
    62,809.24x = 86,678.34 × 34,515.64
  4. Step 4: Simplify right side
    62,809.24x = 2,991,758,379.24
  5. Step 5: Solve for x
    x = 2,991,758,379.24/62,809.24
  6. Step 6: Final answer
    x = 47,632.46

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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.