Home / 56,143.68-84,205.44-14,588.16

Finding the Fourth Proportional to 56,143.68, 84,205.44 and 14,588.16

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Solution

The fourth proportional to 56,143.68, 84,205.44 and 14,588.16 is: 21,879.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,143.68 : 84,205.44 = 14,588.16 : x
  2. Step 2: Convert to fraction form
    56,143.68/84,205.44 = 14,588.16/x
  3. Step 3: Cross multiply
    56,143.68x = 84,205.44 × 14,588.16
  4. Step 4: Simplify right side
    56,143.68x = 1,228,402,431.59
  5. Step 5: Solve for x
    x = 1,228,402,431.59/56,143.68
  6. Step 6: Final answer
    x = 21,879.62

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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.