Home / 30,594.24-42,215.04-18,017.28

Finding the Fourth Proportional to 30,594.24, 42,215.04 and 18,017.28

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Solution

The fourth proportional to 30,594.24, 42,215.04 and 18,017.28 is: 24,860.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,594.24 : 42,215.04 = 18,017.28 : x
  2. Step 2: Convert to fraction form
    30,594.24/42,215.04 = 18,017.28/x
  3. Step 3: Cross multiply
    30,594.24x = 42,215.04 × 18,017.28
  4. Step 4: Simplify right side
    30,594.24x = 760,600,195.89
  5. Step 5: Solve for x
    x = 760,600,195.89/30,594.24
  6. Step 6: Final answer
    x = 24,860.90

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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.