Home / 37,600.87-56,407.80-12,643.30

Finding the Fourth Proportional to 37,600.87, 56,407.80 and 12,643.30

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Solution

The fourth proportional to 37,600.87, 56,407.80 and 12,643.30 is: 18,967.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,600.87 : 56,407.80 = 12,643.30 : x
  2. Step 2: Convert to fraction form
    37,600.87/56,407.80 = 12,643.30/x
  3. Step 3: Cross multiply
    37,600.87x = 56,407.80 × 12,643.30
  4. Step 4: Simplify right side
    37,600.87x = 713,180,737.74
  5. Step 5: Solve for x
    x = 713,180,737.74/37,600.87
  6. Step 6: Final answer
    x = 18,967.13

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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.