Home / 76,410.04-114,479.46-31,938.76

Finding the Fourth Proportional to 76,410.04, 114,479.46 and 31,938.76

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Solution

The fourth proportional to 76,410.04, 114,479.46 and 31,938.76 is: 47,851.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,410.04 : 114,479.46 = 31,938.76 : x
  2. Step 2: Convert to fraction form
    76,410.04/114,479.46 = 31,938.76/x
  3. Step 3: Cross multiply
    76,410.04x = 114,479.46 × 31,938.76
  4. Step 4: Simplify right side
    76,410.04x = 3,656,331,997.87
  5. Step 5: Solve for x
    x = 3,656,331,997.87/76,410.04
  6. Step 6: Final answer
    x = 47,851.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.