Home / 55,860.72-83,798.28-18,424.56

Finding the Fourth Proportional to 55,860.72, 83,798.28 and 18,424.56

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Solution

The fourth proportional to 55,860.72, 83,798.28 and 18,424.56 is: 27,639.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,860.72 : 83,798.28 = 18,424.56 : x
  2. Step 2: Convert to fraction form
    55,860.72/83,798.28 = 18,424.56/x
  3. Step 3: Cross multiply
    55,860.72x = 83,798.28 × 18,424.56
  4. Step 4: Simplify right side
    55,860.72x = 1,543,946,437.76
  5. Step 5: Solve for x
    x = 1,543,946,437.76/55,860.72
  6. Step 6: Final answer
    x = 27,639.21

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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.