Home / 51,346.12-76,893.38-42,406.76

Finding the Fourth Proportional to 51,346.12, 76,893.38 and 42,406.76

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Solution

The fourth proportional to 51,346.12, 76,893.38 and 42,406.76 is: 63,506.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,346.12 : 76,893.38 = 42,406.76 : x
  2. Step 2: Convert to fraction form
    51,346.12/76,893.38 = 42,406.76/x
  3. Step 3: Cross multiply
    51,346.12x = 76,893.38 × 42,406.76
  4. Step 4: Simplify right side
    51,346.12x = 3,260,798,832.80
  5. Step 5: Solve for x
    x = 3,260,798,832.80/51,346.12
  6. Step 6: Final answer
    x = 63,506.24

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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.