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Finding the Fourth Proportional to 56,489.55, 84,733.93 and 14,369.24

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Solution

The fourth proportional to 56,489.55, 84,733.93 and 14,369.24 is: 21,553.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,489.55 : 84,733.93 = 14,369.24 : x
  2. Step 2: Convert to fraction form
    56,489.55/84,733.93 = 14,369.24/x
  3. Step 3: Cross multiply
    56,489.55x = 84,733.93 × 14,369.24
  4. Step 4: Simplify right side
    56,489.55x = 1,217,562,406.11
  5. Step 5: Solve for x
    x = 1,217,562,406.11/56,489.55
  6. Step 6: Final answer
    x = 21,553.77

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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.