Home / 40,856.55-56,388.60-38,188.41

Finding the Fourth Proportional to 40,856.55, 56,388.60 and 38,188.41

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Solution

The fourth proportional to 40,856.55, 56,388.60 and 38,188.41 is: 52,706.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,856.55 : 56,388.60 = 38,188.41 : x
  2. Step 2: Convert to fraction form
    40,856.55/56,388.60 = 38,188.41/x
  3. Step 3: Cross multiply
    40,856.55x = 56,388.60 × 38,188.41
  4. Step 4: Simplify right side
    40,856.55x = 2,153,390,976.13
  5. Step 5: Solve for x
    x = 2,153,390,976.13/40,856.55
  6. Step 6: Final answer
    x = 52,706.14

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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.