Home / 35,472.42-48,950.28-20,354.72

Finding the Fourth Proportional to 35,472.42, 48,950.28 and 20,354.72

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Solution

The fourth proportional to 35,472.42, 48,950.28 and 20,354.72 is: 28,088.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,472.42 : 48,950.28 = 20,354.72 : x
  2. Step 2: Convert to fraction form
    35,472.42/48,950.28 = 20,354.72/x
  3. Step 3: Cross multiply
    35,472.42x = 48,950.28 × 20,354.72
  4. Step 4: Simplify right side
    35,472.42x = 996,369,243.32
  5. Step 5: Solve for x
    x = 996,369,243.32/35,472.42
  6. Step 6: Final answer
    x = 28,088.56

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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.