Home / 45,289.55-62,431.02-31,839.50

Finding the Fourth Proportional to 45,289.55, 62,431.02 and 31,839.50

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Solution

The fourth proportional to 45,289.55, 62,431.02 and 31,839.50 is: 43,890.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,289.55 : 62,431.02 = 31,839.50 : x
  2. Step 2: Convert to fraction form
    45,289.55/62,431.02 = 31,839.50/x
  3. Step 3: Cross multiply
    45,289.55x = 62,431.02 × 31,839.50
  4. Step 4: Simplify right side
    45,289.55x = 1,987,772,617.37
  5. Step 5: Solve for x
    x = 1,987,772,617.37/45,289.55
  6. Step 6: Final answer
    x = 43,890.31

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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.