Home / 76,035.95-114,051.56-31,661.58

Finding the Fourth Proportional to 76,035.95, 114,051.56 and 31,661.58

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Solution

The fourth proportional to 76,035.95, 114,051.56 and 31,661.58 is: 47,491.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,035.95 : 114,051.56 = 31,661.58 : x
  2. Step 2: Convert to fraction form
    76,035.95/114,051.56 = 31,661.58/x
  3. Step 3: Cross multiply
    76,035.95x = 114,051.56 × 31,661.58
  4. Step 4: Simplify right side
    76,035.95x = 3,611,052,432.76
  5. Step 5: Solve for x
    x = 3,611,052,432.76/76,035.95
  6. Step 6: Final answer
    x = 47,491.39

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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.