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Finding the Fourth Proportional to 37,447, 56,213.70 and 19,017.88

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Solution

The fourth proportional to 37,447, 56,213.70 and 19,017.88 is: 28,548.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,447 : 56,213.70 = 19,017.88 : x
  2. Step 2: Convert to fraction form
    37,447/56,213.70 = 19,017.88/x
  3. Step 3: Cross multiply
    37,447x = 56,213.70 × 19,017.88
  4. Step 4: Simplify right side
    37,447x = 1,069,065,400.96
  5. Step 5: Solve for x
    x = 1,069,065,400.96/37,447
  6. Step 6: Final answer
    x = 28,548.76

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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.