Home / 64,904.60-97,360.45-20,528.05

Finding the Fourth Proportional to 64,904.60, 97,360.45 and 20,528.05

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Solution

The fourth proportional to 64,904.60, 97,360.45 and 20,528.05 is: 30,793.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,904.60 : 97,360.45 = 20,528.05 : x
  2. Step 2: Convert to fraction form
    64,904.60/97,360.45 = 20,528.05/x
  3. Step 3: Cross multiply
    64,904.60x = 97,360.45 × 20,528.05
  4. Step 4: Simplify right side
    64,904.60x = 1,998,619,596.18
  5. Step 5: Solve for x
    x = 1,998,619,596.18/64,904.60
  6. Step 6: Final answer
    x = 30,793.19

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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.