Home / 34,890.40-52,332.72-11,510.56

Finding the Fourth Proportional to 34,890.40, 52,332.72 and 11,510.56

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Solution

The fourth proportional to 34,890.40, 52,332.72 and 11,510.56 is: 17,264.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,890.40 : 52,332.72 = 11,510.56 : x
  2. Step 2: Convert to fraction form
    34,890.40/52,332.72 = 11,510.56/x
  3. Step 3: Cross multiply
    34,890.40x = 52,332.72 × 11,510.56
  4. Step 4: Simplify right side
    34,890.40x = 602,378,913.52
  5. Step 5: Solve for x
    x = 602,378,913.52/34,890.40
  6. Step 6: Final answer
    x = 17,264.89

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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.