Home / 30,080.67-45,120.08-14,297.07

Finding the Fourth Proportional to 30,080.67, 45,120.08 and 14,297.07

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Solution

The fourth proportional to 30,080.67, 45,120.08 and 14,297.07 is: 21,445.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,080.67 : 45,120.08 = 14,297.07 : x
  2. Step 2: Convert to fraction form
    30,080.67/45,120.08 = 14,297.07/x
  3. Step 3: Cross multiply
    30,080.67x = 45,120.08 × 14,297.07
  4. Step 4: Simplify right side
    30,080.67x = 645,084,870.68
  5. Step 5: Solve for x
    x = 645,084,870.68/30,080.67
  6. Step 6: Final answer
    x = 21,445.16

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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.