Home / 57,010.82-78,674.37-31,860.32

Finding the Fourth Proportional to 57,010.82, 78,674.37 and 31,860.32

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Solution

The fourth proportional to 57,010.82, 78,674.37 and 31,860.32 is: 43,966.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,010.82 : 78,674.37 = 31,860.32 : x
  2. Step 2: Convert to fraction form
    57,010.82/78,674.37 = 31,860.32/x
  3. Step 3: Cross multiply
    57,010.82x = 78,674.37 × 31,860.32
  4. Step 4: Simplify right side
    57,010.82x = 2,506,590,604.00
  5. Step 5: Solve for x
    x = 2,506,590,604.00/57,010.82
  6. Step 6: Final answer
    x = 43,966.93

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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.