Home / 34,254.06-47,269.89-19,146.30

Finding the Fourth Proportional to 34,254.06, 47,269.89 and 19,146.30

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Solution

The fourth proportional to 34,254.06, 47,269.89 and 19,146.30 is: 26,421.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,254.06 : 47,269.89 = 19,146.30 : x
  2. Step 2: Convert to fraction form
    34,254.06/47,269.89 = 19,146.30/x
  3. Step 3: Cross multiply
    34,254.06x = 47,269.89 × 19,146.30
  4. Step 4: Simplify right side
    34,254.06x = 905,043,494.91
  5. Step 5: Solve for x
    x = 905,043,494.91/34,254.06
  6. Step 6: Final answer
    x = 26,421.50

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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.