Home / 46,342.32-69,461.64-20,007.60

Finding the Fourth Proportional to 46,342.32, 69,461.64 and 20,007.60

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Solution

The fourth proportional to 46,342.32, 69,461.64 and 20,007.60 is: 29,989.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,342.32 : 69,461.64 = 20,007.60 : x
  2. Step 2: Convert to fraction form
    46,342.32/69,461.64 = 20,007.60/x
  3. Step 3: Cross multiply
    46,342.32x = 69,461.64 × 20,007.60
  4. Step 4: Simplify right side
    46,342.32x = 1,389,760,708.46
  5. Step 5: Solve for x
    x = 1,389,760,708.46/46,342.32
  6. Step 6: Final answer
    x = 29,989.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.