Home / 30,907.55-42,620.37-26,446.07

Finding the Fourth Proportional to 30,907.55, 42,620.37 and 26,446.07

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Solution

The fourth proportional to 30,907.55, 42,620.37 and 26,446.07 is: 36,468.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,907.55 : 42,620.37 = 26,446.07 : x
  2. Step 2: Convert to fraction form
    30,907.55/42,620.37 = 26,446.07/x
  3. Step 3: Cross multiply
    30,907.55x = 42,620.37 × 26,446.07
  4. Step 4: Simplify right side
    30,907.55x = 1,127,141,288.45
  5. Step 5: Solve for x
    x = 1,127,141,288.45/30,907.55
  6. Step 6: Final answer
    x = 36,468.15

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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.