Home / 56,288.16-84,463.02-18,859.68

Finding the Fourth Proportional to 56,288.16, 84,463.02 and 18,859.68

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Solution

The fourth proportional to 56,288.16, 84,463.02 and 18,859.68 is: 28,299.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,288.16 : 84,463.02 = 18,859.68 : x
  2. Step 2: Convert to fraction form
    56,288.16/84,463.02 = 18,859.68/x
  3. Step 3: Cross multiply
    56,288.16x = 84,463.02 × 18,859.68
  4. Step 4: Simplify right side
    56,288.16x = 1,592,945,529.03
  5. Step 5: Solve for x
    x = 1,592,945,529.03/56,288.16
  6. Step 6: Final answer
    x = 28,299.83

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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.