Home / 51,347.50-76,895.45-42,408.13

Finding the Fourth Proportional to 51,347.50, 76,895.45 and 42,408.13

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Solution

The fourth proportional to 51,347.50, 76,895.45 and 42,408.13 is: 63,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,347.50 : 76,895.45 = 42,408.13 : x
  2. Step 2: Convert to fraction form
    51,347.50/76,895.45 = 42,408.13/x
  3. Step 3: Cross multiply
    51,347.50x = 76,895.45 × 42,408.13
  4. Step 4: Simplify right side
    51,347.50x = 3,260,992,240.01
  5. Step 5: Solve for x
    x = 3,260,992,240.01/51,347.50
  6. Step 6: Final answer
    x = 63,508.30

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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.