Home / 30,855.26-42,550.45-26,075.32

Finding the Fourth Proportional to 30,855.26, 42,550.45 and 26,075.32

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Solution

The fourth proportional to 30,855.26, 42,550.45 and 26,075.32 is: 35,958.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,855.26 : 42,550.45 = 26,075.32 : x
  2. Step 2: Convert to fraction form
    30,855.26/42,550.45 = 26,075.32/x
  3. Step 3: Cross multiply
    30,855.26x = 42,550.45 × 26,075.32
  4. Step 4: Simplify right side
    30,855.26x = 1,109,516,428.33
  5. Step 5: Solve for x
    x = 1,109,516,428.33/30,855.26
  6. Step 6: Final answer
    x = 35,958.74

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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.