Home / 58,301.56-87,455.08-18,861.76

Finding the Fourth Proportional to 58,301.56, 87,455.08 and 18,861.76

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Solution

The fourth proportional to 58,301.56, 87,455.08 and 18,861.76 is: 28,293.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,301.56 : 87,455.08 = 18,861.76 : x
  2. Step 2: Convert to fraction form
    58,301.56/87,455.08 = 18,861.76/x
  3. Step 3: Cross multiply
    58,301.56x = 87,455.08 × 18,861.76
  4. Step 4: Simplify right side
    58,301.56x = 1,649,556,729.74
  5. Step 5: Solve for x
    x = 1,649,556,729.74/58,301.56
  6. Step 6: Final answer
    x = 28,293.53

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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.