Home / 30,335.51-45,499.62-12,803.06

Finding the Fourth Proportional to 30,335.51, 45,499.62 and 12,803.06

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Solution

The fourth proportional to 30,335.51, 45,499.62 and 12,803.06 is: 19,203.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,335.51 : 45,499.62 = 12,803.06 : x
  2. Step 2: Convert to fraction form
    30,335.51/45,499.62 = 12,803.06/x
  3. Step 3: Cross multiply
    30,335.51x = 45,499.62 × 12,803.06
  4. Step 4: Simplify right side
    30,335.51x = 582,534,526.60
  5. Step 5: Solve for x
    x = 582,534,526.60/30,335.51
  6. Step 6: Final answer
    x = 19,203.06

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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.