Home / 53,258.78-73,499.50-30,605.11

Finding the Fourth Proportional to 53,258.78, 73,499.50 and 30,605.11

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Solution

The fourth proportional to 53,258.78, 73,499.50 and 30,605.11 is: 42,236.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,258.78 : 73,499.50 = 30,605.11 : x
  2. Step 2: Convert to fraction form
    53,258.78/73,499.50 = 30,605.11/x
  3. Step 3: Cross multiply
    53,258.78x = 73,499.50 × 30,605.11
  4. Step 4: Simplify right side
    53,258.78x = 2,249,460,136.95
  5. Step 5: Solve for x
    x = 2,249,460,136.95/53,258.78
  6. Step 6: Final answer
    x = 42,236.42

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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.