Home / 57,222.32-85,810.44-19,776.56

Finding the Fourth Proportional to 57,222.32, 85,810.44 and 19,776.56

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Solution

The fourth proportional to 57,222.32, 85,810.44 and 19,776.56 is: 29,656.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,222.32 : 85,810.44 = 19,776.56 : x
  2. Step 2: Convert to fraction form
    57,222.32/85,810.44 = 19,776.56/x
  3. Step 3: Cross multiply
    57,222.32x = 85,810.44 × 19,776.56
  4. Step 4: Simplify right side
    57,222.32x = 1,697,035,315.29
  5. Step 5: Solve for x
    x = 1,697,035,315.29/57,222.32
  6. Step 6: Final answer
    x = 29,656.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.