Home / 30,612.24-42,150.96-26,813.52

Finding the Fourth Proportional to 30,612.24, 42,150.96 and 26,813.52

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Solution

The fourth proportional to 30,612.24, 42,150.96 and 26,813.52 is: 36,920.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,612.24 : 42,150.96 = 26,813.52 : x
  2. Step 2: Convert to fraction form
    30,612.24/42,150.96 = 26,813.52/x
  3. Step 3: Cross multiply
    30,612.24x = 42,150.96 × 26,813.52
  4. Step 4: Simplify right side
    30,612.24x = 1,130,215,608.98
  5. Step 5: Solve for x
    x = 1,130,215,608.98/30,612.24
  6. Step 6: Final answer
    x = 36,920.38

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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.