Home / 67,284.86-92,848.65-40,428.50

Finding the Fourth Proportional to 67,284.86, 92,848.65 and 40,428.50

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Solution

The fourth proportional to 67,284.86, 92,848.65 and 40,428.50 is: 55,788.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,284.86 : 92,848.65 = 40,428.50 : x
  2. Step 2: Convert to fraction form
    67,284.86/92,848.65 = 40,428.50/x
  3. Step 3: Cross multiply
    67,284.86x = 92,848.65 × 40,428.50
  4. Step 4: Simplify right side
    67,284.86x = 3,753,731,646.53
  5. Step 5: Solve for x
    x = 3,753,731,646.53/67,284.86
  6. Step 6: Final answer
    x = 55,788.65

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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.