Home / 45,144.95-67,730.78-15,565.77

Finding the Fourth Proportional to 45,144.95, 67,730.78 and 15,565.77

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Solution

The fourth proportional to 45,144.95, 67,730.78 and 15,565.77 is: 23,353.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,144.95 : 67,730.78 = 15,565.77 : x
  2. Step 2: Convert to fraction form
    45,144.95/67,730.78 = 15,565.77/x
  3. Step 3: Cross multiply
    45,144.95x = 67,730.78 × 15,565.77
  4. Step 4: Simplify right side
    45,144.95x = 1,054,281,782.32
  5. Step 5: Solve for x
    x = 1,054,281,782.32/45,144.95
  6. Step 6: Final answer
    x = 23,353.26

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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.