Home / 51,184.08-70,629.15-28,520.76

Finding the Fourth Proportional to 51,184.08, 70,629.15 and 28,520.76

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Solution

The fourth proportional to 51,184.08, 70,629.15 and 28,520.76 is: 39,355.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,184.08 : 70,629.15 = 28,520.76 : x
  2. Step 2: Convert to fraction form
    51,184.08/70,629.15 = 28,520.76/x
  3. Step 3: Cross multiply
    51,184.08x = 70,629.15 × 28,520.76
  4. Step 4: Simplify right side
    51,184.08x = 2,014,397,036.15
  5. Step 5: Solve for x
    x = 2,014,397,036.15/51,184.08
  6. Step 6: Final answer
    x = 39,355.93

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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.