Home / 64,693.12-89,275.78-36,012.64

Finding the Fourth Proportional to 64,693.12, 89,275.78 and 36,012.64

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Solution

The fourth proportional to 64,693.12, 89,275.78 and 36,012.64 is: 49,697.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,693.12 : 89,275.78 = 36,012.64 : x
  2. Step 2: Convert to fraction form
    64,693.12/89,275.78 = 36,012.64/x
  3. Step 3: Cross multiply
    64,693.12x = 89,275.78 × 36,012.64
  4. Step 4: Simplify right side
    64,693.12x = 3,215,056,525.86
  5. Step 5: Solve for x
    x = 3,215,056,525.86/64,693.12
  6. Step 6: Final answer
    x = 49,697.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.