Home / 53,910.77-74,398.10-30,038.90

Finding the Fourth Proportional to 53,910.77, 74,398.10 and 30,038.90

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Solution

The fourth proportional to 53,910.77, 74,398.10 and 30,038.90 is: 41,454.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,910.77 : 74,398.10 = 30,038.90 : x
  2. Step 2: Convert to fraction form
    53,910.77/74,398.10 = 30,038.90/x
  3. Step 3: Cross multiply
    53,910.77x = 74,398.10 × 30,038.90
  4. Step 4: Simplify right side
    53,910.77x = 2,234,836,982.39
  5. Step 5: Solve for x
    x = 2,234,836,982.39/53,910.77
  6. Step 6: Final answer
    x = 41,454.37

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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.