Home / 53,363.37-79,871.28-39,317.79

Finding the Fourth Proportional to 53,363.37, 79,871.28 and 39,317.79

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Solution

The fourth proportional to 53,363.37, 79,871.28 and 39,317.79 is: 58,848.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,363.37 : 79,871.28 = 39,317.79 : x
  2. Step 2: Convert to fraction form
    53,363.37/79,871.28 = 39,317.79/x
  3. Step 3: Cross multiply
    53,363.37x = 79,871.28 × 39,317.79
  4. Step 4: Simplify right side
    53,363.37x = 3,140,361,814.71
  5. Step 5: Solve for x
    x = 3,140,361,814.71/53,363.37
  6. Step 6: Final answer
    x = 58,848.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.