Home / 43,689.89-65,547.59-17,398.51

Finding the Fourth Proportional to 43,689.89, 65,547.59 and 17,398.51

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Solution

The fourth proportional to 43,689.89, 65,547.59 and 17,398.51 is: 26,102.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,689.89 : 65,547.59 = 17,398.51 : x
  2. Step 2: Convert to fraction form
    43,689.89/65,547.59 = 17,398.51/x
  3. Step 3: Cross multiply
    43,689.89x = 65,547.59 × 17,398.51
  4. Step 4: Simplify right side
    43,689.89x = 1,140,430,149.23
  5. Step 5: Solve for x
    x = 1,140,430,149.23/43,689.89
  6. Step 6: Final answer
    x = 26,102.84

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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.