Home / 37,686.75-56,536.27-12,728.29

Finding the Fourth Proportional to 37,686.75, 56,536.27 and 12,728.29

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Solution

The fourth proportional to 37,686.75, 56,536.27 and 12,728.29 is: 19,094.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,686.75 : 56,536.27 = 12,728.29 : x
  2. Step 2: Convert to fraction form
    37,686.75/56,536.27 = 12,728.29/x
  3. Step 3: Cross multiply
    37,686.75x = 56,536.27 × 12,728.29
  4. Step 4: Simplify right side
    37,686.75x = 719,610,040.08
  5. Step 5: Solve for x
    x = 719,610,040.08/37,686.75
  6. Step 6: Final answer
    x = 19,094.51

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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.