Home / 39,313.60-58,898.40-18,491.20

Finding the Fourth Proportional to 39,313.60, 58,898.40 and 18,491.20

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Solution

The fourth proportional to 39,313.60, 58,898.40 and 18,491.20 is: 27,702.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,313.60 : 58,898.40 = 18,491.20 : x
  2. Step 2: Convert to fraction form
    39,313.60/58,898.40 = 18,491.20/x
  3. Step 3: Cross multiply
    39,313.60x = 58,898.40 × 18,491.20
  4. Step 4: Simplify right side
    39,313.60x = 1,089,102,094.08
  5. Step 5: Solve for x
    x = 1,089,102,094.08/39,313.60
  6. Step 6: Final answer
    x = 27,702.93

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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.