Home / 39,030-53,846.70-25,608.66

Finding the Fourth Proportional to 39,030, 53,846.70 and 25,608.66

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Solution

The fourth proportional to 39,030, 53,846.70 and 25,608.66 is: 35,330.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,030 : 53,846.70 = 25,608.66 : x
  2. Step 2: Convert to fraction form
    39,030/53,846.70 = 25,608.66/x
  3. Step 3: Cross multiply
    39,030x = 53,846.70 × 25,608.66
  4. Step 4: Simplify right side
    39,030x = 1,378,941,832.42
  5. Step 5: Solve for x
    x = 1,378,941,832.42/39,030
  6. Step 6: Final answer
    x = 35,330.31

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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.