Home / 69,830.07-104,726.59-19,217.08

Finding the Fourth Proportional to 69,830.07, 104,726.59 and 19,217.08

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Solution

The fourth proportional to 69,830.07, 104,726.59 and 19,217.08 is: 28,820.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,830.07 : 104,726.59 = 19,217.08 : x
  2. Step 2: Convert to fraction form
    69,830.07/104,726.59 = 19,217.08/x
  3. Step 3: Cross multiply
    69,830.07x = 104,726.59 × 19,217.08
  4. Step 4: Simplify right side
    69,830.07x = 2,012,539,341.02
  5. Step 5: Solve for x
    x = 2,012,539,341.02/69,830.07
  6. Step 6: Final answer
    x = 28,820.53

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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.