Home / 57,001.24-78,661.47-31,850.74

Finding the Fourth Proportional to 57,001.24, 78,661.47 and 31,850.74

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Solution

The fourth proportional to 57,001.24, 78,661.47 and 31,850.74 is: 43,953.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,001.24 : 78,661.47 = 31,850.74 : x
  2. Step 2: Convert to fraction form
    57,001.24/78,661.47 = 31,850.74/x
  3. Step 3: Cross multiply
    57,001.24x = 78,661.47 × 31,850.74
  4. Step 4: Simplify right side
    57,001.24x = 2,505,426,028.99
  5. Step 5: Solve for x
    x = 2,505,426,028.99/57,001.24
  6. Step 6: Final answer
    x = 43,953.89

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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.