Home / 34,282.86-51,428.45-12,091.70

Finding the Fourth Proportional to 34,282.86, 51,428.45 and 12,091.70

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Solution

The fourth proportional to 34,282.86, 51,428.45 and 12,091.70 is: 18,139.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,282.86 : 51,428.45 = 12,091.70 : x
  2. Step 2: Convert to fraction form
    34,282.86/51,428.45 = 12,091.70/x
  3. Step 3: Cross multiply
    34,282.86x = 51,428.45 × 12,091.70
  4. Step 4: Simplify right side
    34,282.86x = 621,857,071.26
  5. Step 5: Solve for x
    x = 621,857,071.26/34,282.86
  6. Step 6: Final answer
    x = 18,139.01

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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.