Home / 37,719.83-56,586.75-12,420.79

Finding the Fourth Proportional to 37,719.83, 56,586.75 and 12,420.79

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Solution

The fourth proportional to 37,719.83, 56,586.75 and 12,420.79 is: 18,633.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,719.83 : 56,586.75 = 12,420.79 : x
  2. Step 2: Convert to fraction form
    37,719.83/56,586.75 = 12,420.79/x
  3. Step 3: Cross multiply
    37,719.83x = 56,586.75 × 12,420.79
  4. Step 4: Simplify right side
    37,719.83x = 702,852,338.66
  5. Step 5: Solve for x
    x = 702,852,338.66/37,719.83
  6. Step 6: Final answer
    x = 18,633.50

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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.