Home / 56,188.35-77,631.08-55,635.39

Finding the Fourth Proportional to 56,188.35, 77,631.08 and 55,635.39

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Solution

The fourth proportional to 56,188.35, 77,631.08 and 55,635.39 is: 76,867.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,188.35 : 77,631.08 = 55,635.39 : x
  2. Step 2: Convert to fraction form
    56,188.35/77,631.08 = 55,635.39/x
  3. Step 3: Cross multiply
    56,188.35x = 77,631.08 × 55,635.39
  4. Step 4: Simplify right side
    56,188.35x = 4,319,035,133.74
  5. Step 5: Solve for x
    x = 4,319,035,133.74/56,188.35
  6. Step 6: Final answer
    x = 76,867.09

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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.