Home / 57,075.24-78,757.07-31,578.23

Finding the Fourth Proportional to 57,075.24, 78,757.07 and 31,578.23

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Solution

The fourth proportional to 57,075.24, 78,757.07 and 31,578.23 is: 43,574.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,075.24 : 78,757.07 = 31,578.23 : x
  2. Step 2: Convert to fraction form
    57,075.24/78,757.07 = 31,578.23/x
  3. Step 3: Cross multiply
    57,075.24x = 78,757.07 × 31,578.23
  4. Step 4: Simplify right side
    57,075.24x = 2,487,008,870.59
  5. Step 5: Solve for x
    x = 2,487,008,870.59/57,075.24
  6. Step 6: Final answer
    x = 43,574.22

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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.