Home / 37,867.16-56,805.64-12,900.47

Finding the Fourth Proportional to 37,867.16, 56,805.64 and 12,900.47

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Solution

The fourth proportional to 37,867.16, 56,805.64 and 12,900.47 is: 19,352.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,867.16 : 56,805.64 = 12,900.47 : x
  2. Step 2: Convert to fraction form
    37,867.16/56,805.64 = 12,900.47/x
  3. Step 3: Cross multiply
    37,867.16x = 56,805.64 × 12,900.47
  4. Step 4: Simplify right side
    37,867.16x = 732,819,138.37
  5. Step 5: Solve for x
    x = 732,819,138.37/37,867.16
  6. Step 6: Final answer
    x = 19,352.36

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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.