Home / 40,688.40-61,276.44-35,811.36

Finding the Fourth Proportional to 40,688.40, 61,276.44 and 35,811.36

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Solution

The fourth proportional to 40,688.40, 61,276.44 and 35,811.36 is: 53,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,688.40 : 61,276.44 = 35,811.36 : x
  2. Step 2: Convert to fraction form
    40,688.40/61,276.44 = 35,811.36/x
  3. Step 3: Cross multiply
    40,688.40x = 61,276.44 × 35,811.36
  4. Step 4: Simplify right side
    40,688.40x = 2,194,392,652.36
  5. Step 5: Solve for x
    x = 2,194,392,652.36/40,688.40
  6. Step 6: Final answer
    x = 53,931.65

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.