Home / 23,430.45-32,334.53-12,820.08

Finding the Fourth Proportional to 23,430.45, 32,334.53 and 12,820.08

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Solution

The fourth proportional to 23,430.45, 32,334.53 and 12,820.08 is: 17,691.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,430.45 : 32,334.53 = 12,820.08 : x
  2. Step 2: Convert to fraction form
    23,430.45/32,334.53 = 12,820.08/x
  3. Step 3: Cross multiply
    23,430.45x = 32,334.53 × 12,820.08
  4. Step 4: Simplify right side
    23,430.45x = 414,531,261.36
  5. Step 5: Solve for x
    x = 414,531,261.36/23,430.45
  6. Step 6: Final answer
    x = 17,691.99

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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.