Home / 57,159.37-85,698.96-30,881.35

Finding the Fourth Proportional to 57,159.37, 85,698.96 and 30,881.35

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Solution

The fourth proportional to 57,159.37, 85,698.96 and 30,881.35 is: 46,300.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,159.37 : 85,698.96 = 30,881.35 : x
  2. Step 2: Convert to fraction form
    57,159.37/85,698.96 = 30,881.35/x
  3. Step 3: Cross multiply
    57,159.37x = 85,698.96 × 30,881.35
  4. Step 4: Simplify right side
    57,159.37x = 2,646,499,578.40
  5. Step 5: Solve for x
    x = 2,646,499,578.40/57,159.37
  6. Step 6: Final answer
    x = 46,300.36

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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.