Home / 53,029.20-79,370.71-38,985.51

Finding the Fourth Proportional to 53,029.20, 79,370.71 and 38,985.51

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Solution

The fourth proportional to 53,029.20, 79,370.71 and 38,985.51 is: 58,351.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,029.20 : 79,370.71 = 38,985.51 : x
  2. Step 2: Convert to fraction form
    53,029.20/79,370.71 = 38,985.51/x
  3. Step 3: Cross multiply
    53,029.20x = 79,370.71 × 38,985.51
  4. Step 4: Simplify right side
    53,029.20x = 3,094,307,608.41
  5. Step 5: Solve for x
    x = 3,094,307,608.41/53,029.20
  6. Step 6: Final answer
    x = 58,351.01

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1.5x scale

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.