Home / 55,573.63-76,691.60-30,423.13

Finding the Fourth Proportional to 55,573.63, 76,691.60 and 30,423.13

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Solution

The fourth proportional to 55,573.63, 76,691.60 and 30,423.13 is: 41,983.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,573.63 : 76,691.60 = 30,423.13 : x
  2. Step 2: Convert to fraction form
    55,573.63/76,691.60 = 30,423.13/x
  3. Step 3: Cross multiply
    55,573.63x = 76,691.60 × 30,423.13
  4. Step 4: Simplify right side
    55,573.63x = 2,333,198,516.71
  5. Step 5: Solve for x
    x = 2,333,198,516.71/55,573.63
  6. Step 6: Final answer
    x = 41,983.91

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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.