Home / 64,954.20-97,430.24-20,580.88

Finding the Fourth Proportional to 64,954.20, 97,430.24 and 20,580.88

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Solution

The fourth proportional to 64,954.20, 97,430.24 and 20,580.88 is: 30,870.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,954.20 : 97,430.24 = 20,580.88 : x
  2. Step 2: Convert to fraction form
    64,954.20/97,430.24 = 20,580.88/x
  3. Step 3: Cross multiply
    64,954.20x = 97,430.24 × 20,580.88
  4. Step 4: Simplify right side
    64,954.20x = 2,005,200,077.81
  5. Step 5: Solve for x
    x = 2,005,200,077.81/64,954.20
  6. Step 6: Final answer
    x = 30,870.98

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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.