Home / 53,285.32-79,851.77-39,134.31

Finding the Fourth Proportional to 53,285.32, 79,851.77 and 39,134.31

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Solution

The fourth proportional to 53,285.32, 79,851.77 and 39,134.31 is: 58,645.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,285.32 : 79,851.77 = 39,134.31 : x
  2. Step 2: Convert to fraction form
    53,285.32/79,851.77 = 39,134.31/x
  3. Step 3: Cross multiply
    53,285.32x = 79,851.77 × 39,134.31
  4. Step 4: Simplify right side
    53,285.32x = 3,124,943,921.23
  5. Step 5: Solve for x
    x = 3,124,943,921.23/53,285.32
  6. Step 6: Final answer
    x = 58,645.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.