Home / 51,359.44-70,875.18-28,698.76

Finding the Fourth Proportional to 51,359.44, 70,875.18 and 28,698.76

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Solution

The fourth proportional to 51,359.44, 70,875.18 and 28,698.76 is: 39,603.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,359.44 : 70,875.18 = 28,698.76 : x
  2. Step 2: Convert to fraction form
    51,359.44/70,875.18 = 28,698.76/x
  3. Step 3: Cross multiply
    51,359.44x = 70,875.18 × 28,698.76
  4. Step 4: Simplify right side
    51,359.44x = 2,034,029,780.78
  5. Step 5: Solve for x
    x = 2,034,029,780.78/51,359.44
  6. Step 6: Final answer
    x = 39,603.82

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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.