Home / 50,145.12-69,172.80-31,962.08

Finding the Fourth Proportional to 50,145.12, 69,172.80 and 31,962.08

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Solution

The fourth proportional to 50,145.12, 69,172.80 and 31,962.08 is: 44,090.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,145.12 : 69,172.80 = 31,962.08 : x
  2. Step 2: Convert to fraction form
    50,145.12/69,172.80 = 31,962.08/x
  3. Step 3: Cross multiply
    50,145.12x = 69,172.80 × 31,962.08
  4. Step 4: Simplify right side
    50,145.12x = 2,210,906,567.42
  5. Step 5: Solve for x
    x = 2,210,906,567.42/50,145.12
  6. Step 6: Final answer
    x = 44,090.16

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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.