Home / 56,662.58-78,192.78-31,168.92

Finding the Fourth Proportional to 56,662.58, 78,192.78 and 31,168.92

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Solution

The fourth proportional to 56,662.58, 78,192.78 and 31,168.92 is: 43,012.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,662.58 : 78,192.78 = 31,168.92 : x
  2. Step 2: Convert to fraction form
    56,662.58/78,192.78 = 31,168.92/x
  3. Step 3: Cross multiply
    56,662.58x = 78,192.78 × 31,168.92
  4. Step 4: Simplify right side
    56,662.58x = 2,437,184,680.74
  5. Step 5: Solve for x
    x = 2,437,184,680.74/56,662.58
  6. Step 6: Final answer
    x = 43,012.24

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1.5x scale

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.