Home / 37,688.76-56,533.14-12,728.88

Finding the Fourth Proportional to 37,688.76, 56,533.14 and 12,728.88

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Solution

The fourth proportional to 37,688.76, 56,533.14 and 12,728.88 is: 19,093.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,688.76 : 56,533.14 = 12,728.88 : x
  2. Step 2: Convert to fraction form
    37,688.76/56,533.14 = 12,728.88/x
  3. Step 3: Cross multiply
    37,688.76x = 56,533.14 × 12,728.88
  4. Step 4: Simplify right side
    37,688.76x = 719,603,555.08
  5. Step 5: Solve for x
    x = 719,603,555.08/37,688.76
  6. Step 6: Final answer
    x = 19,093.32

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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.