Home / 48,784.95-67,312.35-28,363.82

Finding the Fourth Proportional to 48,784.95, 67,312.35 and 28,363.82

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Solution

The fourth proportional to 48,784.95, 67,312.35 and 28,363.82 is: 39,135.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,784.95 : 67,312.35 = 28,363.82 : x
  2. Step 2: Convert to fraction form
    48,784.95/67,312.35 = 28,363.82/x
  3. Step 3: Cross multiply
    48,784.95x = 67,312.35 × 28,363.82
  4. Step 4: Simplify right side
    48,784.95x = 1,909,235,042.62
  5. Step 5: Solve for x
    x = 1,909,235,042.62/48,784.95
  6. Step 6: Final answer
    x = 39,135.74

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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.