Home / 53,619.19-74,000.86-30,963.69

Finding the Fourth Proportional to 53,619.19, 74,000.86 and 30,963.69

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Solution

The fourth proportional to 53,619.19, 74,000.86 and 30,963.69 is: 42,733.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,619.19 : 74,000.86 = 30,963.69 : x
  2. Step 2: Convert to fraction form
    53,619.19/74,000.86 = 30,963.69/x
  3. Step 3: Cross multiply
    53,619.19x = 74,000.86 × 30,963.69
  4. Step 4: Simplify right side
    53,619.19x = 2,291,339,611.36
  5. Step 5: Solve for x
    x = 2,291,339,611.36/53,619.19
  6. Step 6: Final answer
    x = 42,733.58

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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.