Home / 50,357.12-69,492.64-28,001.12

Finding the Fourth Proportional to 50,357.12, 69,492.64 and 28,001.12

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Solution

The fourth proportional to 50,357.12, 69,492.64 and 28,001.12 is: 38,641.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,357.12 : 69,492.64 = 28,001.12 : x
  2. Step 2: Convert to fraction form
    50,357.12/69,492.64 = 28,001.12/x
  3. Step 3: Cross multiply
    50,357.12x = 69,492.64 × 28,001.12
  4. Step 4: Simplify right side
    50,357.12x = 1,945,871,751.76
  5. Step 5: Solve for x
    x = 1,945,871,751.76/50,357.12
  6. Step 6: Final answer
    x = 38,641.44

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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.