Home / 73,374.36-101,256.06-39,840.60

Finding the Fourth Proportional to 73,374.36, 101,256.06 and 39,840.60

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Solution

The fourth proportional to 73,374.36, 101,256.06 and 39,840.60 is: 54,979.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,374.36 : 101,256.06 = 39,840.60 : x
  2. Step 2: Convert to fraction form
    73,374.36/101,256.06 = 39,840.60/x
  3. Step 3: Cross multiply
    73,374.36x = 101,256.06 × 39,840.60
  4. Step 4: Simplify right side
    73,374.36x = 4,034,102,184.04
  5. Step 5: Solve for x
    x = 4,034,102,184.04/73,374.36
  6. Step 6: Final answer
    x = 54,979.73

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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.