Home / 53,859.41-74,328.93-29,985.56

Finding the Fourth Proportional to 53,859.41, 74,328.93 and 29,985.56

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Solution

The fourth proportional to 53,859.41, 74,328.93 and 29,985.56 is: 41,381.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,859.41 : 74,328.93 = 29,985.56 : x
  2. Step 2: Convert to fraction form
    53,859.41/74,328.93 = 29,985.56/x
  3. Step 3: Cross multiply
    53,859.41x = 74,328.93 × 29,985.56
  4. Step 4: Simplify right side
    53,859.41x = 2,228,794,590.25
  5. Step 5: Solve for x
    x = 2,228,794,590.25/53,859.41
  6. Step 6: Final answer
    x = 41,381.71

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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.