Home / 53,231.78-73,461.50-30,575.32

Finding the Fourth Proportional to 53,231.78, 73,461.50 and 30,575.32

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Solution

The fourth proportional to 53,231.78, 73,461.50 and 30,575.32 is: 42,194.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,231.78 : 73,461.50 = 30,575.32 : x
  2. Step 2: Convert to fraction form
    53,231.78/73,461.50 = 30,575.32/x
  3. Step 3: Cross multiply
    53,231.78x = 73,461.50 × 30,575.32
  4. Step 4: Simplify right side
    53,231.78x = 2,246,108,870.18
  5. Step 5: Solve for x
    x = 2,246,108,870.18/53,231.78
  6. Step 6: Final answer
    x = 42,194.89

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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.