Home / 37,946.78-56,901.34-12,979.76

Finding the Fourth Proportional to 37,946.78, 56,901.34 and 12,979.76

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Solution

The fourth proportional to 37,946.78, 56,901.34 and 12,979.76 is: 19,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,946.78 : 56,901.34 = 12,979.76 : x
  2. Step 2: Convert to fraction form
    37,946.78/56,901.34 = 12,979.76/x
  3. Step 3: Cross multiply
    37,946.78x = 56,901.34 × 12,979.76
  4. Step 4: Simplify right side
    37,946.78x = 738,565,736.88
  5. Step 5: Solve for x
    x = 738,565,736.88/37,946.78
  6. Step 6: Final answer
    x = 19,463.20

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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.