Home / 53,665.16-74,108.34-34,578.44

Finding the Fourth Proportional to 53,665.16, 74,108.34 and 34,578.44

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Solution

The fourth proportional to 53,665.16, 74,108.34 and 34,578.44 is: 47,750.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,665.16 : 74,108.34 = 34,578.44 : x
  2. Step 2: Convert to fraction form
    53,665.16/74,108.34 = 34,578.44/x
  3. Step 3: Cross multiply
    53,665.16x = 74,108.34 × 34,578.44
  4. Step 4: Simplify right side
    53,665.16x = 2,562,550,788.19
  5. Step 5: Solve for x
    x = 2,562,550,788.19/53,665.16
  6. Step 6: Final answer
    x = 47,750.73

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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.