Home / 51,491.81-77,235.40-14,051.76

Finding the Fourth Proportional to 51,491.81, 77,235.40 and 14,051.76

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Solution

The fourth proportional to 51,491.81, 77,235.40 and 14,051.76 is: 21,077.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,491.81 : 77,235.40 = 14,051.76 : x
  2. Step 2: Convert to fraction form
    51,491.81/77,235.40 = 14,051.76/x
  3. Step 3: Cross multiply
    51,491.81x = 77,235.40 × 14,051.76
  4. Step 4: Simplify right side
    51,491.81x = 1,085,293,032.24
  5. Step 5: Solve for x
    x = 1,085,293,032.24/51,491.81
  6. Step 6: Final answer
    x = 21,077.00

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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.