Home / 30,987.86-46,487.37-11,294.06

Finding the Fourth Proportional to 30,987.86, 46,487.37 and 11,294.06

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Solution

The fourth proportional to 30,987.86, 46,487.37 and 11,294.06 is: 16,943.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,987.86 : 46,487.37 = 11,294.06 : x
  2. Step 2: Convert to fraction form
    30,987.86/46,487.37 = 11,294.06/x
  3. Step 3: Cross multiply
    30,987.86x = 46,487.37 × 11,294.06
  4. Step 4: Simplify right side
    30,987.86x = 525,031,146.02
  5. Step 5: Solve for x
    x = 525,031,146.02/30,987.86
  6. Step 6: Final answer
    x = 16,943.12

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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.