Home / 36,870.57-55,305.84-9,168.57

Finding the Fourth Proportional to 36,870.57, 55,305.84 and 9,168.57

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Solution

The fourth proportional to 36,870.57, 55,305.84 and 9,168.57 is: 13,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,870.57 : 55,305.84 = 9,168.57 : x
  2. Step 2: Convert to fraction form
    36,870.57/55,305.84 = 9,168.57/x
  3. Step 3: Cross multiply
    36,870.57x = 55,305.84 × 9,168.57
  4. Step 4: Simplify right side
    36,870.57x = 507,075,465.45
  5. Step 5: Solve for x
    x = 507,075,465.45/36,870.57
  6. Step 6: Final answer
    x = 13,752.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.