Home / 62,430.32-86,154.12-34,135.98

Finding the Fourth Proportional to 62,430.32, 86,154.12 and 34,135.98

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Solution

The fourth proportional to 62,430.32, 86,154.12 and 34,135.98 is: 47,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,430.32 : 86,154.12 = 34,135.98 : x
  2. Step 2: Convert to fraction form
    62,430.32/86,154.12 = 34,135.98/x
  3. Step 3: Cross multiply
    62,430.32x = 86,154.12 × 34,135.98
  4. Step 4: Simplify right side
    62,430.32x = 2,940,955,317.24
  5. Step 5: Solve for x
    x = 2,940,955,317.24/62,430.32
  6. Step 6: Final answer
    x = 47,107.81

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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.