Home / 55,547.13-76,575.30-39,603.90

Finding the Fourth Proportional to 55,547.13, 76,575.30 and 39,603.90

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Solution

The fourth proportional to 55,547.13, 76,575.30 and 39,603.90 is: 54,596.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,547.13 : 76,575.30 = 39,603.90 : x
  2. Step 2: Convert to fraction form
    55,547.13/76,575.30 = 39,603.90/x
  3. Step 3: Cross multiply
    55,547.13x = 76,575.30 × 39,603.90
  4. Step 4: Simplify right side
    55,547.13x = 3,032,680,523.67
  5. Step 5: Solve for x
    x = 3,032,680,523.67/55,547.13
  6. Step 6: Final answer
    x = 54,596.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.