Home / 48,410.64-72,607.32-12,872.16

Finding the Fourth Proportional to 48,410.64, 72,607.32 and 12,872.16

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Solution

The fourth proportional to 48,410.64, 72,607.32 and 12,872.16 is: 19,305.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,410.64 : 72,607.32 = 12,872.16 : x
  2. Step 2: Convert to fraction form
    48,410.64/72,607.32 = 12,872.16/x
  3. Step 3: Cross multiply
    48,410.64x = 72,607.32 × 12,872.16
  4. Step 4: Simplify right side
    48,410.64x = 934,613,040.21
  5. Step 5: Solve for x
    x = 934,613,040.21/48,410.64
  6. Step 6: Final answer
    x = 19,305.94

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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.