Home / 62,980.11-86,909.36-34,680.33

Finding the Fourth Proportional to 62,980.11, 86,909.36 and 34,680.33

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Solution

The fourth proportional to 62,980.11, 86,909.36 and 34,680.33 is: 47,857.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,980.11 : 86,909.36 = 34,680.33 : x
  2. Step 2: Convert to fraction form
    62,980.11/86,909.36 = 34,680.33/x
  3. Step 3: Cross multiply
    62,980.11x = 86,909.36 × 34,680.33
  4. Step 4: Simplify right side
    62,980.11x = 3,014,045,111.49
  5. Step 5: Solve for x
    x = 3,014,045,111.49/62,980.11
  6. Step 6: Final answer
    x = 47,857.10

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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.