Home / 53,130.83-73,318.17-30,453.56

Finding the Fourth Proportional to 53,130.83, 73,318.17 and 30,453.56

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Solution

The fourth proportional to 53,130.83, 73,318.17 and 30,453.56 is: 42,024.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,130.83 : 73,318.17 = 30,453.56 : x
  2. Step 2: Convert to fraction form
    53,130.83/73,318.17 = 30,453.56/x
  3. Step 3: Cross multiply
    53,130.83x = 73,318.17 × 30,453.56
  4. Step 4: Simplify right side
    53,130.83x = 2,232,798,922.59
  5. Step 5: Solve for x
    x = 2,232,798,922.59/53,130.83
  6. Step 6: Final answer
    x = 42,024.55

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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.