Home / 50,011.58-69,013.78-28,505.99

Finding the Fourth Proportional to 50,011.58, 69,013.78 and 28,505.99

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Solution

The fourth proportional to 50,011.58, 69,013.78 and 28,505.99 is: 39,337.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,011.58 : 69,013.78 = 28,505.99 : x
  2. Step 2: Convert to fraction form
    50,011.58/69,013.78 = 28,505.99/x
  3. Step 3: Cross multiply
    50,011.58x = 69,013.78 × 28,505.99
  4. Step 4: Simplify right side
    50,011.58x = 1,967,306,223.81
  5. Step 5: Solve for x
    x = 1,967,306,223.81/50,011.58
  6. Step 6: Final answer
    x = 39,337.01

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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.