Home / 53,919.48-74,407.86-30,045.62

Finding the Fourth Proportional to 53,919.48, 74,407.86 and 30,045.62

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Solution

The fourth proportional to 53,919.48, 74,407.86 and 30,045.62 is: 41,462.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,919.48 : 74,407.86 = 30,045.62 : x
  2. Step 2: Convert to fraction form
    53,919.48/74,407.86 = 30,045.62/x
  3. Step 3: Cross multiply
    53,919.48x = 74,407.86 × 30,045.62
  4. Step 4: Simplify right side
    53,919.48x = 2,235,630,286.57
  5. Step 5: Solve for x
    x = 2,235,630,286.57/53,919.48
  6. Step 6: Final answer
    x = 41,462.39

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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.