Home / 51,256.76-76,898.08-14,320.76

Finding the Fourth Proportional to 51,256.76, 76,898.08 and 14,320.76

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Solution

The fourth proportional to 51,256.76, 76,898.08 and 14,320.76 is: 21,484.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,256.76 : 76,898.08 = 14,320.76 : x
  2. Step 2: Convert to fraction form
    51,256.76/76,898.08 = 14,320.76/x
  3. Step 3: Cross multiply
    51,256.76x = 76,898.08 × 14,320.76
  4. Step 4: Simplify right side
    51,256.76x = 1,101,238,948.14
  5. Step 5: Solve for x
    x = 1,101,238,948.14/51,256.76
  6. Step 6: Final answer
    x = 21,484.76

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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.