Home / 53,036.12-79,550-30,835.32

Finding the Fourth Proportional to 53,036.12, 79,550 and 30,835.32

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Solution

The fourth proportional to 53,036.12, 79,550 and 30,835.32 is: 46,250.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,036.12 : 79,550 = 30,835.32 : x
  2. Step 2: Convert to fraction form
    53,036.12/79,550 = 30,835.32/x
  3. Step 3: Cross multiply
    53,036.12x = 79,550 × 30,835.32
  4. Step 4: Simplify right side
    53,036.12x = 2,452,949,706
  5. Step 5: Solve for x
    x = 2,452,949,706/53,036.12
  6. Step 6: Final answer
    x = 46,250.55

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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.