Home / 52,285.28-78,403.95-16,739.71

Finding the Fourth Proportional to 52,285.28, 78,403.95 and 16,739.71

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Solution

The fourth proportional to 52,285.28, 78,403.95 and 16,739.71 is: 25,101.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,285.28 : 78,403.95 = 16,739.71 : x
  2. Step 2: Convert to fraction form
    52,285.28/78,403.95 = 16,739.71/x
  3. Step 3: Cross multiply
    52,285.28x = 78,403.95 × 16,739.71
  4. Step 4: Simplify right side
    52,285.28x = 1,312,459,189.84
  5. Step 5: Solve for x
    x = 1,312,459,189.84/52,285.28
  6. Step 6: Final answer
    x = 25,101.89

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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.