Home / 30,558.02-45,837.07-8,371.59

Finding the Fourth Proportional to 30,558.02, 45,837.07 and 8,371.59

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Solution

The fourth proportional to 30,558.02, 45,837.07 and 8,371.59 is: 12,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,558.02 : 45,837.07 = 8,371.59 : x
  2. Step 2: Convert to fraction form
    30,558.02/45,837.07 = 8,371.59/x
  3. Step 3: Cross multiply
    30,558.02x = 45,837.07 × 8,371.59
  4. Step 4: Simplify right side
    30,558.02x = 383,729,156.84
  5. Step 5: Solve for x
    x = 383,729,156.84/30,558.02
  6. Step 6: Final answer
    x = 12,557.40

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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.