Home / 34,325.18-47,368.51-19,217.78

Finding the Fourth Proportional to 34,325.18, 47,368.51 and 19,217.78

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Solution

The fourth proportional to 34,325.18, 47,368.51 and 19,217.78 is: 26,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,325.18 : 47,368.51 = 19,217.78 : x
  2. Step 2: Convert to fraction form
    34,325.18/47,368.51 = 19,217.78/x
  3. Step 3: Cross multiply
    34,325.18x = 47,368.51 × 19,217.78
  4. Step 4: Simplify right side
    34,325.18x = 910,317,604.11
  5. Step 5: Solve for x
    x = 910,317,604.11/34,325.18
  6. Step 6: Final answer
    x = 26,520.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.