Home / 30,364.15-45,535.29-12,835.34

Finding the Fourth Proportional to 30,364.15, 45,535.29 and 12,835.34

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Solution

The fourth proportional to 30,364.15, 45,535.29 and 12,835.34 is: 19,248.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,364.15 : 45,535.29 = 12,835.34 : x
  2. Step 2: Convert to fraction form
    30,364.15/45,535.29 = 12,835.34/x
  3. Step 3: Cross multiply
    30,364.15x = 45,535.29 × 12,835.34
  4. Step 4: Simplify right side
    30,364.15x = 584,460,929.15
  5. Step 5: Solve for x
    x = 584,460,929.15/30,364.15
  6. Step 6: Final answer
    x = 19,248.39

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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.