Home / 51,182.70-70,631.19-28,826.70

Finding the Fourth Proportional to 51,182.70, 70,631.19 and 28,826.70

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Solution

The fourth proportional to 51,182.70, 70,631.19 and 28,826.70 is: 39,780.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,182.70 : 70,631.19 = 28,826.70 : x
  2. Step 2: Convert to fraction form
    51,182.70/70,631.19 = 28,826.70/x
  3. Step 3: Cross multiply
    51,182.70x = 70,631.19 × 28,826.70
  4. Step 4: Simplify right side
    51,182.70x = 2,036,064,124.77
  5. Step 5: Solve for x
    x = 2,036,064,124.77/51,182.70
  6. Step 6: Final answer
    x = 39,780.32

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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.