Home / 51,369.53-70,888.54-28,708.62

Finding the Fourth Proportional to 51,369.53, 70,888.54 and 28,708.62

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Solution

The fourth proportional to 51,369.53, 70,888.54 and 28,708.62 is: 39,617.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,369.53 : 70,888.54 = 28,708.62 : x
  2. Step 2: Convert to fraction form
    51,369.53/70,888.54 = 28,708.62/x
  3. Step 3: Cross multiply
    51,369.53x = 70,888.54 × 28,708.62
  4. Step 4: Simplify right side
    51,369.53x = 2,035,112,157.21
  5. Step 5: Solve for x
    x = 2,035,112,157.21/51,369.53
  6. Step 6: Final answer
    x = 39,617.11

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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.