Home / 55,511.16-76,586.76-31,620.93

Finding the Fourth Proportional to 55,511.16, 76,586.76 and 31,620.93

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Solution

The fourth proportional to 55,511.16, 76,586.76 and 31,620.93 is: 43,626.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,511.16 : 76,586.76 = 31,620.93 : x
  2. Step 2: Convert to fraction form
    55,511.16/76,586.76 = 31,620.93/x
  3. Step 3: Cross multiply
    55,511.16x = 76,586.76 × 31,620.93
  4. Step 4: Simplify right side
    55,511.16x = 2,421,744,576.89
  5. Step 5: Solve for x
    x = 2,421,744,576.89/55,511.16
  6. Step 6: Final answer
    x = 43,626.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.