Home / 76,434.12-114,598.85-38,921.58

Finding the Fourth Proportional to 76,434.12, 114,598.85 and 38,921.58

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Solution

The fourth proportional to 76,434.12, 114,598.85 and 38,921.58 is: 58,355.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,434.12 : 114,598.85 = 38,921.58 : x
  2. Step 2: Convert to fraction form
    76,434.12/114,598.85 = 38,921.58/x
  3. Step 3: Cross multiply
    76,434.12x = 114,598.85 × 38,921.58
  4. Step 4: Simplify right side
    76,434.12x = 4,460,368,113.58
  5. Step 5: Solve for x
    x = 4,460,368,113.58/76,434.12
  6. Step 6: Final answer
    x = 58,355.72

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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.