Home / 31,087.02-46,620.81-13,539.18

Finding the Fourth Proportional to 31,087.02, 46,620.81 and 13,539.18

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Solution

The fourth proportional to 31,087.02, 46,620.81 and 13,539.18 is: 20,304.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,087.02 : 46,620.81 = 13,539.18 : x
  2. Step 2: Convert to fraction form
    31,087.02/46,620.81 = 13,539.18/x
  3. Step 3: Cross multiply
    31,087.02x = 46,620.81 × 13,539.18
  4. Step 4: Simplify right side
    31,087.02x = 631,207,538.34
  5. Step 5: Solve for x
    x = 631,207,538.34/31,087.02
  6. Step 6: Final answer
    x = 20,304.54

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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.