Home / 35,521.12-53,314.56-18,003.20

Finding the Fourth Proportional to 35,521.12, 53,314.56 and 18,003.20

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Solution

The fourth proportional to 35,521.12, 53,314.56 and 18,003.20 is: 27,021.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,521.12 : 53,314.56 = 18,003.20 : x
  2. Step 2: Convert to fraction form
    35,521.12/53,314.56 = 18,003.20/x
  3. Step 3: Cross multiply
    35,521.12x = 53,314.56 × 18,003.20
  4. Step 4: Simplify right side
    35,521.12x = 959,832,686.59
  5. Step 5: Solve for x
    x = 959,832,686.59/35,521.12
  6. Step 6: Final answer
    x = 27,021.46

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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.