Home / 37,609.48-56,419.06-12,638.76

Finding the Fourth Proportional to 37,609.48, 56,419.06 and 12,638.76

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Solution

The fourth proportional to 37,609.48, 56,419.06 and 12,638.76 is: 18,959.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,609.48 : 56,419.06 = 12,638.76 : x
  2. Step 2: Convert to fraction form
    37,609.48/56,419.06 = 12,638.76/x
  3. Step 3: Cross multiply
    37,609.48x = 56,419.06 × 12,638.76
  4. Step 4: Simplify right side
    37,609.48x = 713,066,958.77
  5. Step 5: Solve for x
    x = 713,066,958.77/37,609.48
  6. Step 6: Final answer
    x = 18,959.77

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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.