Home / 51,485.76-77,215.68-16,407.36

Finding the Fourth Proportional to 51,485.76, 77,215.68 and 16,407.36

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Solution

The fourth proportional to 51,485.76, 77,215.68 and 16,407.36 is: 24,606.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,485.76 : 77,215.68 = 16,407.36 : x
  2. Step 2: Convert to fraction form
    51,485.76/77,215.68 = 16,407.36/x
  3. Step 3: Cross multiply
    51,485.76x = 77,215.68 × 16,407.36
  4. Step 4: Simplify right side
    51,485.76x = 1,266,905,459.40
  5. Step 5: Solve for x
    x = 1,266,905,459.40/51,485.76
  6. Step 6: Final answer
    x = 24,606.91

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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.