Home / 38,655.58-57,991.63-12,000.98

Finding the Fourth Proportional to 38,655.58, 57,991.63 and 12,000.98

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Solution

The fourth proportional to 38,655.58, 57,991.63 and 12,000.98 is: 18,004.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,655.58 : 57,991.63 = 12,000.98 : x
  2. Step 2: Convert to fraction form
    38,655.58/57,991.63 = 12,000.98/x
  3. Step 3: Cross multiply
    38,655.58x = 57,991.63 × 12,000.98
  4. Step 4: Simplify right side
    38,655.58x = 695,956,391.80
  5. Step 5: Solve for x
    x = 695,956,391.80/38,655.58
  6. Step 6: Final answer
    x = 18,004.04

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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.