Home / 37,748.15-56,624.77-12,779.67

Finding the Fourth Proportional to 37,748.15, 56,624.77 and 12,779.67

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Solution

The fourth proportional to 37,748.15, 56,624.77 and 12,779.67 is: 19,170.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,748.15 : 56,624.77 = 12,779.67 : x
  2. Step 2: Convert to fraction form
    37,748.15/56,624.77 = 12,779.67/x
  3. Step 3: Cross multiply
    37,748.15x = 56,624.77 × 12,779.67
  4. Step 4: Simplify right side
    37,748.15x = 723,646,102.74
  5. Step 5: Solve for x
    x = 723,646,102.74/37,748.15
  6. Step 6: Final answer
    x = 19,170.37

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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.