Home / 30,675.86-42,333.90-17,937.26

Finding the Fourth Proportional to 30,675.86, 42,333.90 and 17,937.26

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Solution

The fourth proportional to 30,675.86, 42,333.90 and 17,937.26 is: 24,754.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,675.86 : 42,333.90 = 17,937.26 : x
  2. Step 2: Convert to fraction form
    30,675.86/42,333.90 = 17,937.26/x
  3. Step 3: Cross multiply
    30,675.86x = 42,333.90 × 17,937.26
  4. Step 4: Simplify right side
    30,675.86x = 759,354,171.11
  5. Step 5: Solve for x
    x = 759,354,171.11/30,675.86
  6. Step 6: Final answer
    x = 24,754.13

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1.5x scale

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.