Home / 37,970.28-56,990.12-19,263.20

Finding the Fourth Proportional to 37,970.28, 56,990.12 and 19,263.20

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Solution

The fourth proportional to 37,970.28, 56,990.12 and 19,263.20 is: 28,912.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,970.28 : 56,990.12 = 19,263.20 : x
  2. Step 2: Convert to fraction form
    37,970.28/56,990.12 = 19,263.20/x
  3. Step 3: Cross multiply
    37,970.28x = 56,990.12 × 19,263.20
  4. Step 4: Simplify right side
    37,970.28x = 1,097,811,698.32
  5. Step 5: Solve for x
    x = 1,097,811,698.32/37,970.28
  6. Step 6: Final answer
    x = 28,912.39

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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.