Home / 19,933.50-29,885.27-12,038.70

Finding the Fourth Proportional to 19,933.50, 29,885.27 and 12,038.70

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Solution

The fourth proportional to 19,933.50, 29,885.27 and 12,038.70 is: 18,049.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.50 : 29,885.27 = 12,038.70 : x
  2. Step 2: Convert to fraction form
    19,933.50/29,885.27 = 12,038.70/x
  3. Step 3: Cross multiply
    19,933.50x = 29,885.27 × 12,038.70
  4. Step 4: Simplify right side
    19,933.50x = 359,779,739.76
  5. Step 5: Solve for x
    x = 359,779,739.76/19,933.50
  6. Step 6: Final answer
    x = 18,049.00

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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.