Home / 30,024.64-45,018.96-13,376.32

Finding the Fourth Proportional to 30,024.64, 45,018.96 and 13,376.32

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Solution

The fourth proportional to 30,024.64, 45,018.96 and 13,376.32 is: 20,056.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,024.64 : 45,018.96 = 13,376.32 : x
  2. Step 2: Convert to fraction form
    30,024.64/45,018.96 = 13,376.32/x
  3. Step 3: Cross multiply
    30,024.64x = 45,018.96 × 13,376.32
  4. Step 4: Simplify right side
    30,024.64x = 602,188,015.03
  5. Step 5: Solve for x
    x = 602,188,015.03/30,024.64
  6. Step 6: Final answer
    x = 20,056.46

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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.