Home / 54,039.47-74,575.65-29,840.37

Finding the Fourth Proportional to 54,039.47, 74,575.65 and 29,840.37

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Solution

The fourth proportional to 54,039.47, 74,575.65 and 29,840.37 is: 41,180.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,039.47 : 74,575.65 = 29,840.37 : x
  2. Step 2: Convert to fraction form
    54,039.47/74,575.65 = 29,840.37/x
  3. Step 3: Cross multiply
    54,039.47x = 74,575.65 × 29,840.37
  4. Step 4: Simplify right side
    54,039.47x = 2,225,364,988.99
  5. Step 5: Solve for x
    x = 2,225,364,988.99/54,039.47
  6. Step 6: Final answer
    x = 41,180.36

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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.