Home / 64,824.40-97,042.20-38,515.60

Finding the Fourth Proportional to 64,824.40, 97,042.20 and 38,515.60

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Solution

The fourth proportional to 64,824.40, 97,042.20 and 38,515.60 is: 57,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,824.40 : 97,042.20 = 38,515.60 : x
  2. Step 2: Convert to fraction form
    64,824.40/97,042.20 = 38,515.60/x
  3. Step 3: Cross multiply
    64,824.40x = 97,042.20 × 38,515.60
  4. Step 4: Simplify right side
    64,824.40x = 3,737,638,558.32
  5. Step 5: Solve for x
    x = 3,737,638,558.32/64,824.40
  6. Step 6: Final answer
    x = 57,657.90

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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.