Home / 46,387.86-69,582-19,726.98

Finding the Fourth Proportional to 46,387.86, 69,582 and 19,726.98

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Solution

The fourth proportional to 46,387.86, 69,582 and 19,726.98 is: 29,590.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,387.86 : 69,582 = 19,726.98 : x
  2. Step 2: Convert to fraction form
    46,387.86/69,582 = 19,726.98/x
  3. Step 3: Cross multiply
    46,387.86x = 69,582 × 19,726.98
  4. Step 4: Simplify right side
    46,387.86x = 1,372,642,722.36
  5. Step 5: Solve for x
    x = 1,372,642,722.36/46,387.86
  6. Step 6: Final answer
    x = 29,590.56

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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.