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Finding the Fourth Proportional to 64,003.57, 96,001.74 and 19,630.20

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Solution

The fourth proportional to 64,003.57, 96,001.74 and 19,630.20 is: 29,444.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,003.57 : 96,001.74 = 19,630.20 : x
  2. Step 2: Convert to fraction form
    64,003.57/96,001.74 = 19,630.20/x
  3. Step 3: Cross multiply
    64,003.57x = 96,001.74 × 19,630.20
  4. Step 4: Simplify right side
    64,003.57x = 1,884,533,356.55
  5. Step 5: Solve for x
    x = 1,884,533,356.55/64,003.57
  6. Step 6: Final answer
    x = 29,444.19

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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.