Home / 35,637.28-49,165.18-20,521.85

Finding the Fourth Proportional to 35,637.28, 49,165.18 and 20,521.85

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Solution

The fourth proportional to 35,637.28, 49,165.18 and 20,521.85 is: 28,311.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,637.28 : 49,165.18 = 20,521.85 : x
  2. Step 2: Convert to fraction form
    35,637.28/49,165.18 = 20,521.85/x
  3. Step 3: Cross multiply
    35,637.28x = 49,165.18 × 20,521.85
  4. Step 4: Simplify right side
    35,637.28x = 1,008,960,152.05
  5. Step 5: Solve for x
    x = 1,008,960,152.05/35,637.28
  6. Step 6: Final answer
    x = 28,311.93

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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.