Home / 46,403.26-69,547.80-21,408.60

Finding the Fourth Proportional to 46,403.26, 69,547.80 and 21,408.60

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Solution

The fourth proportional to 46,403.26, 69,547.80 and 21,408.60 is: 32,086.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,403.26 : 69,547.80 = 21,408.60 : x
  2. Step 2: Convert to fraction form
    46,403.26/69,547.80 = 21,408.60/x
  3. Step 3: Cross multiply
    46,403.26x = 69,547.80 × 21,408.60
  4. Step 4: Simplify right side
    46,403.26x = 1,488,921,031.08
  5. Step 5: Solve for x
    x = 1,488,921,031.08/46,403.26
  6. Step 6: Final answer
    x = 32,086.56

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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.