Home / 53,962.80-74,464.80-30,090.72

Finding the Fourth Proportional to 53,962.80, 74,464.80 and 30,090.72

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Solution

The fourth proportional to 53,962.80, 74,464.80 and 30,090.72 is: 41,523.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,962.80 : 74,464.80 = 30,090.72 : x
  2. Step 2: Convert to fraction form
    53,962.80/74,464.80 = 30,090.72/x
  3. Step 3: Cross multiply
    53,962.80x = 74,464.80 × 30,090.72
  4. Step 4: Simplify right side
    53,962.80x = 2,240,699,446.66
  5. Step 5: Solve for x
    x = 2,240,699,446.66/53,962.80
  6. Step 6: Final answer
    x = 41,523.04

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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.