Home / 63,703.20-87,910.40-35,408.92

Finding the Fourth Proportional to 63,703.20, 87,910.40 and 35,408.92

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Solution

The fourth proportional to 63,703.20, 87,910.40 and 35,408.92 is: 48,864.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,703.20 : 87,910.40 = 35,408.92 : x
  2. Step 2: Convert to fraction form
    63,703.20/87,910.40 = 35,408.92/x
  3. Step 3: Cross multiply
    63,703.20x = 87,910.40 × 35,408.92
  4. Step 4: Simplify right side
    63,703.20x = 3,112,812,320.77
  5. Step 5: Solve for x
    x = 3,112,812,320.77/63,703.20
  6. Step 6: Final answer
    x = 48,864.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.