Home / 58,485.36-87,762.60-21,575.28

Finding the Fourth Proportional to 58,485.36, 87,762.60 and 21,575.28

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Solution

The fourth proportional to 58,485.36, 87,762.60 and 21,575.28 is: 32,375.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,485.36 : 87,762.60 = 21,575.28 : x
  2. Step 2: Convert to fraction form
    58,485.36/87,762.60 = 21,575.28/x
  3. Step 3: Cross multiply
    58,485.36x = 87,762.60 × 21,575.28
  4. Step 4: Simplify right side
    58,485.36x = 1,893,502,668.53
  5. Step 5: Solve for x
    x = 1,893,502,668.53/58,485.36
  6. Step 6: Final answer
    x = 32,375.67

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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.