Home / 51,243.19-70,715.69-28,583.64

Finding the Fourth Proportional to 51,243.19, 70,715.69 and 28,583.64

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Solution

The fourth proportional to 51,243.19, 70,715.69 and 28,583.64 is: 39,445.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,243.19 : 70,715.69 = 28,583.64 : x
  2. Step 2: Convert to fraction form
    51,243.19/70,715.69 = 28,583.64/x
  3. Step 3: Cross multiply
    51,243.19x = 70,715.69 × 28,583.64
  4. Step 4: Simplify right side
    51,243.19x = 2,021,311,825.31
  5. Step 5: Solve for x
    x = 2,021,311,825.31/51,243.19
  6. Step 6: Final answer
    x = 39,445.47

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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.