Home / 34,278.29-51,417.59-12,079.63

Finding the Fourth Proportional to 34,278.29, 51,417.59 and 12,079.63

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Solution

The fourth proportional to 34,278.29, 51,417.59 and 12,079.63 is: 18,119.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,278.29 : 51,417.59 = 12,079.63 : x
  2. Step 2: Convert to fraction form
    34,278.29/51,417.59 = 12,079.63/x
  3. Step 3: Cross multiply
    34,278.29x = 51,417.59 × 12,079.63
  4. Step 4: Simplify right side
    34,278.29x = 621,105,466.57
  5. Step 5: Solve for x
    x = 621,105,466.57/34,278.29
  6. Step 6: Final answer
    x = 18,119.50

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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.