Home / 37,419.84-56,129.72-13,728.47

Finding the Fourth Proportional to 37,419.84, 56,129.72 and 13,728.47

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Solution

The fourth proportional to 37,419.84, 56,129.72 and 13,728.47 is: 20,592.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,419.84 : 56,129.72 = 13,728.47 : x
  2. Step 2: Convert to fraction form
    37,419.84/56,129.72 = 13,728.47/x
  3. Step 3: Cross multiply
    37,419.84x = 56,129.72 × 13,728.47
  4. Step 4: Simplify right side
    37,419.84x = 770,574,827.84
  5. Step 5: Solve for x
    x = 770,574,827.84/37,419.84
  6. Step 6: Final answer
    x = 20,592.68

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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.