Home / 53,533.59-80,307.66-18,475.98

Finding the Fourth Proportional to 53,533.59, 80,307.66 and 18,475.98

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Solution

The fourth proportional to 53,533.59, 80,307.66 and 18,475.98 is: 27,716.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,533.59 : 80,307.66 = 18,475.98 : x
  2. Step 2: Convert to fraction form
    53,533.59/80,307.66 = 18,475.98/x
  3. Step 3: Cross multiply
    53,533.59x = 80,307.66 × 18,475.98
  4. Step 4: Simplify right side
    53,533.59x = 1,483,762,720.01
  5. Step 5: Solve for x
    x = 1,483,762,720.01/53,533.59
  6. Step 6: Final answer
    x = 27,716.48

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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.