Home / 51,184.19-70,617.53-28,518.82

Finding the Fourth Proportional to 51,184.19, 70,617.53 and 28,518.82

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Solution

The fourth proportional to 51,184.19, 70,617.53 and 28,518.82 is: 39,346.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,184.19 : 70,617.53 = 28,518.82 : x
  2. Step 2: Convert to fraction form
    51,184.19/70,617.53 = 28,518.82/x
  3. Step 3: Cross multiply
    51,184.19x = 70,617.53 × 28,518.82
  4. Step 4: Simplify right side
    51,184.19x = 2,013,928,626.91
  5. Step 5: Solve for x
    x = 2,013,928,626.91/51,184.19
  6. Step 6: Final answer
    x = 39,346.69

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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.