Home / 35,965.50-49,637.20-20,658.07

Finding the Fourth Proportional to 35,965.50, 49,637.20 and 20,658.07

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Solution

The fourth proportional to 35,965.50, 49,637.20 and 20,658.07 is: 28,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,965.50 : 49,637.20 = 20,658.07 : x
  2. Step 2: Convert to fraction form
    35,965.50/49,637.20 = 20,658.07/x
  3. Step 3: Cross multiply
    35,965.50x = 49,637.20 × 20,658.07
  4. Step 4: Simplify right side
    35,965.50x = 1,025,408,752.20
  5. Step 5: Solve for x
    x = 1,025,408,752.20/35,965.50
  6. Step 6: Final answer
    x = 28,510.90

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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.