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Finding the Fourth Proportional to 64,979.90, 97,482.00 and 20,594.73

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Solution

The fourth proportional to 64,979.90, 97,482.00 and 20,594.73 is: 30,895.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,979.90 : 97,482.00 = 20,594.73 : x
  2. Step 2: Convert to fraction form
    64,979.90/97,482.00 = 20,594.73/x
  3. Step 3: Cross multiply
    64,979.90x = 97,482.00 × 20,594.73
  4. Step 4: Simplify right side
    64,979.90x = 2,007,615,366.89
  5. Step 5: Solve for x
    x = 2,007,615,366.89/64,979.90
  6. Step 6: Final answer
    x = 30,895.95

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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.