Home / 56,696.72-78,225.24-36,565.16

Finding the Fourth Proportional to 56,696.72, 78,225.24 and 36,565.16

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Solution

The fourth proportional to 56,696.72, 78,225.24 and 36,565.16 is: 50,449.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,696.72 : 78,225.24 = 36,565.16 : x
  2. Step 2: Convert to fraction form
    56,696.72/78,225.24 = 36,565.16/x
  3. Step 3: Cross multiply
    56,696.72x = 78,225.24 × 36,565.16
  4. Step 4: Simplify right side
    56,696.72x = 2,860,318,416.64
  5. Step 5: Solve for x
    x = 2,860,318,416.64/56,696.72
  6. Step 6: Final answer
    x = 50,449.45

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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.