Home / 48,500.21-72,741.88-13,431.67

Finding the Fourth Proportional to 48,500.21, 72,741.88 and 13,431.67

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Solution

The fourth proportional to 48,500.21, 72,741.88 and 13,431.67 is: 20,145.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,500.21 : 72,741.88 = 13,431.67 : x
  2. Step 2: Convert to fraction form
    48,500.21/72,741.88 = 13,431.67/x
  3. Step 3: Cross multiply
    48,500.21x = 72,741.88 × 13,431.67
  4. Step 4: Simplify right side
    48,500.21x = 977,044,762.27
  5. Step 5: Solve for x
    x = 977,044,762.27/48,500.21
  6. Step 6: Final answer
    x = 20,145.16

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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.