Home / 30,907.56-42,620.36-26,446.08

Finding the Fourth Proportional to 30,907.56, 42,620.36 and 26,446.08

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Solution

The fourth proportional to 30,907.56, 42,620.36 and 26,446.08 is: 36,468.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,907.56 : 42,620.36 = 26,446.08 : x
  2. Step 2: Convert to fraction form
    30,907.56/42,620.36 = 26,446.08/x
  3. Step 3: Cross multiply
    30,907.56x = 42,620.36 × 26,446.08
  4. Step 4: Simplify right side
    30,907.56x = 1,127,141,450.19
  5. Step 5: Solve for x
    x = 1,127,141,450.19/30,907.56
  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.