Home / 52,623.86-78,938.52-26,319.72

Finding the Fourth Proportional to 52,623.86, 78,938.52 and 26,319.72

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Solution

The fourth proportional to 52,623.86, 78,938.52 and 26,319.72 is: 39,480.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,623.86 : 78,938.52 = 26,319.72 : x
  2. Step 2: Convert to fraction form
    52,623.86/78,938.52 = 26,319.72/x
  3. Step 3: Cross multiply
    52,623.86x = 78,938.52 × 26,319.72
  4. Step 4: Simplify right side
    52,623.86x = 2,077,639,743.61
  5. Step 5: Solve for x
    x = 2,077,639,743.61/52,623.86
  6. Step 6: Final answer
    x = 39,480.95

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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.