Home / 58,446.30-87,613.97-18,975.81

Finding the Fourth Proportional to 58,446.30, 87,613.97 and 18,975.81

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Solution

The fourth proportional to 58,446.30, 87,613.97 and 18,975.81 is: 28,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,446.30 : 87,613.97 = 18,975.81 : x
  2. Step 2: Convert to fraction form
    58,446.30/87,613.97 = 18,975.81/x
  3. Step 3: Cross multiply
    58,446.30x = 87,613.97 × 18,975.81
  4. Step 4: Simplify right side
    58,446.30x = 1,662,545,953.19
  5. Step 5: Solve for x
    x = 1,662,545,953.19/58,446.30
  6. Step 6: Final answer
    x = 28,445.70

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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.