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Finding the Fourth Proportional to 64,804.71, 97,207.53 and 20,435.04

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Solution

The fourth proportional to 64,804.71, 97,207.53 and 20,435.04 is: 30,652.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,804.71 : 97,207.53 = 20,435.04 : x
  2. Step 2: Convert to fraction form
    64,804.71/97,207.53 = 20,435.04/x
  3. Step 3: Cross multiply
    64,804.71x = 97,207.53 × 20,435.04
  4. Step 4: Simplify right side
    64,804.71x = 1,986,439,763.85
  5. Step 5: Solve for x
    x = 1,986,439,763.85/64,804.71
  6. Step 6: Final answer
    x = 30,652.71

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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.