Home / 61,628.09-92,455.99-19,510.70

Finding the Fourth Proportional to 61,628.09, 92,455.99 and 19,510.70

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Solution

The fourth proportional to 61,628.09, 92,455.99 and 19,510.70 is: 29,270.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,628.09 : 92,455.99 = 19,510.70 : x
  2. Step 2: Convert to fraction form
    61,628.09/92,455.99 = 19,510.70/x
  3. Step 3: Cross multiply
    61,628.09x = 92,455.99 × 19,510.70
  4. Step 4: Simplify right side
    61,628.09x = 1,803,881,084.09
  5. Step 5: Solve for x
    x = 1,803,881,084.09/61,628.09
  6. Step 6: Final answer
    x = 29,270.44

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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.