Home / 40,559.74-60,840.55-13,905.51

Finding the Fourth Proportional to 40,559.74, 60,840.55 and 13,905.51

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Solution

The fourth proportional to 40,559.74, 60,840.55 and 13,905.51 is: 20,858.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,559.74 : 60,840.55 = 13,905.51 : x
  2. Step 2: Convert to fraction form
    40,559.74/60,840.55 = 13,905.51/x
  3. Step 3: Cross multiply
    40,559.74x = 60,840.55 × 13,905.51
  4. Step 4: Simplify right side
    40,559.74x = 846,018,665.66
  5. Step 5: Solve for x
    x = 846,018,665.66/40,559.74
  6. Step 6: Final answer
    x = 20,858.58

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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.