Home / 53,727.30-74,139.30-33,570.45

Finding the Fourth Proportional to 53,727.30, 74,139.30 and 33,570.45

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Solution

The fourth proportional to 53,727.30, 74,139.30 and 33,570.45 is: 46,324.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,727.30 : 74,139.30 = 33,570.45 : x
  2. Step 2: Convert to fraction form
    53,727.30/74,139.30 = 33,570.45/x
  3. Step 3: Cross multiply
    53,727.30x = 74,139.30 × 33,570.45
  4. Step 4: Simplify right side
    53,727.30x = 2,488,889,663.69
  5. Step 5: Solve for x
    x = 2,488,889,663.69/53,727.30
  6. Step 6: Final answer
    x = 46,324.49

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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.