Home / 47,425.37-71,138.06-12,364.93

Finding the Fourth Proportional to 47,425.37, 71,138.06 and 12,364.93

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Solution

The fourth proportional to 47,425.37, 71,138.06 and 12,364.93 is: 18,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,425.37 : 71,138.06 = 12,364.93 : x
  2. Step 2: Convert to fraction form
    47,425.37/71,138.06 = 12,364.93/x
  3. Step 3: Cross multiply
    47,425.37x = 71,138.06 × 12,364.93
  4. Step 4: Simplify right side
    47,425.37x = 879,617,132.24
  5. Step 5: Solve for x
    x = 879,617,132.24/47,425.37
  6. Step 6: Final answer
    x = 18,547.40

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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.