Home / 53,984.54-74,498.47-30,111.20

Finding the Fourth Proportional to 53,984.54, 74,498.47 and 30,111.20

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Solution

The fourth proportional to 53,984.54, 74,498.47 and 30,111.20 is: 41,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,984.54 : 74,498.47 = 30,111.20 : x
  2. Step 2: Convert to fraction form
    53,984.54/74,498.47 = 30,111.20/x
  3. Step 3: Cross multiply
    53,984.54x = 74,498.47 × 30,111.20
  4. Step 4: Simplify right side
    53,984.54x = 2,243,238,329.86
  5. Step 5: Solve for x
    x = 2,243,238,329.86/53,984.54
  6. Step 6: Final answer
    x = 41,553.35

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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.