Home / 51,459.64-77,178.96-18,180.79

Finding the Fourth Proportional to 51,459.64, 77,178.96 and 18,180.79

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Solution

The fourth proportional to 51,459.64, 77,178.96 and 18,180.79 is: 27,267.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,459.64 : 77,178.96 = 18,180.79 : x
  2. Step 2: Convert to fraction form
    51,459.64/77,178.96 = 18,180.79/x
  3. Step 3: Cross multiply
    51,459.64x = 77,178.96 × 18,180.79
  4. Step 4: Simplify right side
    51,459.64x = 1,403,174,271.23
  5. Step 5: Solve for x
    x = 1,403,174,271.23/51,459.64
  6. Step 6: Final answer
    x = 27,267.47

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1.5x scale

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.