Home / 39,075.45-53,947.13-25,670.09

Finding the Fourth Proportional to 39,075.45, 53,947.13 and 25,670.09

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Solution

The fourth proportional to 39,075.45, 53,947.13 and 25,670.09 is: 35,439.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,075.45 : 53,947.13 = 25,670.09 : x
  2. Step 2: Convert to fraction form
    39,075.45/53,947.13 = 25,670.09/x
  3. Step 3: Cross multiply
    39,075.45x = 53,947.13 × 25,670.09
  4. Step 4: Simplify right side
    39,075.45x = 1,384,827,284.26
  5. Step 5: Solve for x
    x = 1,384,827,284.26/39,075.45
  6. Step 6: Final answer
    x = 35,439.83

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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.