Home / 49,649.07-74,431.77-21,547.98

Finding the Fourth Proportional to 49,649.07, 74,431.77 and 21,547.98

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Solution

The fourth proportional to 49,649.07, 74,431.77 and 21,547.98 is: 32,303.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,649.07 : 74,431.77 = 21,547.98 : x
  2. Step 2: Convert to fraction form
    49,649.07/74,431.77 = 21,547.98/x
  3. Step 3: Cross multiply
    49,649.07x = 74,431.77 × 21,547.98
  4. Step 4: Simplify right side
    49,649.07x = 1,603,854,291.32
  5. Step 5: Solve for x
    x = 1,603,854,291.32/49,649.07
  6. Step 6: Final answer
    x = 32,303.81

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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.