Home / 50,370.12-75,557.16-12,931.44

Finding the Fourth Proportional to 50,370.12, 75,557.16 and 12,931.44

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Solution

The fourth proportional to 50,370.12, 75,557.16 and 12,931.44 is: 19,397.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,370.12 : 75,557.16 = 12,931.44 : x
  2. Step 2: Convert to fraction form
    50,370.12/75,557.16 = 12,931.44/x
  3. Step 3: Cross multiply
    50,370.12x = 75,557.16 × 12,931.44
  4. Step 4: Simplify right side
    50,370.12x = 977,062,881.11
  5. Step 5: Solve for x
    x = 977,062,881.11/50,370.12
  6. Step 6: Final answer
    x = 19,397.67

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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.