Home / 56,130.65-77,458.37-33,457.95

Finding the Fourth Proportional to 56,130.65, 77,458.37 and 33,457.95

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Solution

The fourth proportional to 56,130.65, 77,458.37 and 33,457.95 is: 46,170.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,130.65 : 77,458.37 = 33,457.95 : x
  2. Step 2: Convert to fraction form
    56,130.65/77,458.37 = 33,457.95/x
  3. Step 3: Cross multiply
    56,130.65x = 77,458.37 × 33,457.95
  4. Step 4: Simplify right side
    56,130.65x = 2,591,598,103.25
  5. Step 5: Solve for x
    x = 2,591,598,103.25/56,130.65
  6. Step 6: Final answer
    x = 46,170.82

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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.