Home / 56,561.68-78,073.41-40,692.25

Finding the Fourth Proportional to 56,561.68, 78,073.41 and 40,692.25

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Solution

The fourth proportional to 56,561.68, 78,073.41 and 40,692.25 is: 56,168.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,561.68 : 78,073.41 = 40,692.25 : x
  2. Step 2: Convert to fraction form
    56,561.68/78,073.41 = 40,692.25/x
  3. Step 3: Cross multiply
    56,561.68x = 78,073.41 × 40,692.25
  4. Step 4: Simplify right side
    56,561.68x = 3,176,982,718.07
  5. Step 5: Solve for x
    x = 3,176,982,718.07/56,561.68
  6. Step 6: Final answer
    x = 56,168.46

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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.