Home / 36,870.02-55,305.55-9,168.02

Finding the Fourth Proportional to 36,870.02, 55,305.55 and 9,168.02

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Solution

The fourth proportional to 36,870.02, 55,305.55 and 9,168.02 is: 13,752.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,870.02 : 55,305.55 = 9,168.02 : x
  2. Step 2: Convert to fraction form
    36,870.02/55,305.55 = 9,168.02/x
  3. Step 3: Cross multiply
    36,870.02x = 55,305.55 × 9,168.02
  4. Step 4: Simplify right side
    36,870.02x = 507,042,388.51
  5. Step 5: Solve for x
    x = 507,042,388.51/36,870.02
  6. Step 6: Final answer
    x = 13,752.16

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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.