Home / 53,090.28-79,577.10-18,003.51

Finding the Fourth Proportional to 53,090.28, 79,577.10 and 18,003.51

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Solution

The fourth proportional to 53,090.28, 79,577.10 and 18,003.51 is: 26,985.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,090.28 : 79,577.10 = 18,003.51 : x
  2. Step 2: Convert to fraction form
    53,090.28/79,577.10 = 18,003.51/x
  3. Step 3: Cross multiply
    53,090.28x = 79,577.10 × 18,003.51
  4. Step 4: Simplify right side
    53,090.28x = 1,432,667,115.62
  5. Step 5: Solve for x
    x = 1,432,667,115.62/53,090.28
  6. Step 6: Final answer
    x = 26,985.49

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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.