Home / 37,636.64-56,434.76-12,668.36

Finding the Fourth Proportional to 37,636.64, 56,434.76 and 12,668.36

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Solution

The fourth proportional to 37,636.64, 56,434.76 and 12,668.36 is: 18,995.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,636.64 : 56,434.76 = 12,668.36 : x
  2. Step 2: Convert to fraction form
    37,636.64/56,434.76 = 12,668.36/x
  3. Step 3: Cross multiply
    37,636.64x = 56,434.76 × 12,668.36
  4. Step 4: Simplify right side
    37,636.64x = 714,935,856.19
  5. Step 5: Solve for x
    x = 714,935,856.19/37,636.64
  6. Step 6: Final answer
    x = 18,995.74

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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.