Home / 43,330.64-64,995.66-12,165.92

Finding the Fourth Proportional to 43,330.64, 64,995.66 and 12,165.92

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Solution

The fourth proportional to 43,330.64, 64,995.66 and 12,165.92 is: 18,248.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,330.64 : 64,995.66 = 12,165.92 : x
  2. Step 2: Convert to fraction form
    43,330.64/64,995.66 = 12,165.92/x
  3. Step 3: Cross multiply
    43,330.64x = 64,995.66 × 12,165.92
  4. Step 4: Simplify right side
    43,330.64x = 790,731,999.91
  5. Step 5: Solve for x
    x = 790,731,999.91/43,330.64
  6. Step 6: Final answer
    x = 18,248.80

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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.