Home / 30,805.20-42,594.12-26,868.60

Finding the Fourth Proportional to 30,805.20, 42,594.12 and 26,868.60

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Solution

The fourth proportional to 30,805.20, 42,594.12 and 26,868.60 is: 37,151.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,805.20 : 42,594.12 = 26,868.60 : x
  2. Step 2: Convert to fraction form
    30,805.20/42,594.12 = 26,868.60/x
  3. Step 3: Cross multiply
    30,805.20x = 42,594.12 × 26,868.60
  4. Step 4: Simplify right side
    30,805.20x = 1,144,444,372.63
  5. Step 5: Solve for x
    x = 1,144,444,372.63/30,805.20
  6. Step 6: Final answer
    x = 37,151.01

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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.