Home / 53,989.77-74,505.02-30,115.83

Finding the Fourth Proportional to 53,989.77, 74,505.02 and 30,115.83

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Solution

The fourth proportional to 53,989.77, 74,505.02 and 30,115.83 is: 41,559.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,989.77 : 74,505.02 = 30,115.83 : x
  2. Step 2: Convert to fraction form
    53,989.77/74,505.02 = 30,115.83/x
  3. Step 3: Cross multiply
    53,989.77x = 74,505.02 × 30,115.83
  4. Step 4: Simplify right side
    53,989.77x = 2,243,780,365.89
  5. Step 5: Solve for x
    x = 2,243,780,365.89/53,989.77
  6. Step 6: Final answer
    x = 41,559.36

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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.