Home / 35,526.24-49,027.84-20,423.78

Finding the Fourth Proportional to 35,526.24, 49,027.84 and 20,423.78

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Solution

The fourth proportional to 35,526.24, 49,027.84 and 20,423.78 is: 28,185.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,526.24 : 49,027.84 = 20,423.78 : x
  2. Step 2: Convert to fraction form
    35,526.24/49,027.84 = 20,423.78/x
  3. Step 3: Cross multiply
    35,526.24x = 49,027.84 × 20,423.78
  4. Step 4: Simplify right side
    35,526.24x = 1,001,333,818.04
  5. Step 5: Solve for x
    x = 1,001,333,818.04/35,526.24
  6. Step 6: Final answer
    x = 28,185.75

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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.