Home / 56,405.46-84,608.39-14,285.54

Finding the Fourth Proportional to 56,405.46, 84,608.39 and 14,285.54

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Solution

The fourth proportional to 56,405.46, 84,608.39 and 14,285.54 is: 21,428.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,405.46 : 84,608.39 = 14,285.54 : x
  2. Step 2: Convert to fraction form
    56,405.46/84,608.39 = 14,285.54/x
  3. Step 3: Cross multiply
    56,405.46x = 84,608.39 × 14,285.54
  4. Step 4: Simplify right side
    56,405.46x = 1,208,676,045.21
  5. Step 5: Solve for x
    x = 1,208,676,045.21/56,405.46
  6. Step 6: Final answer
    x = 21,428.35

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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.