Home / 29,435.95-40,620.76-16,690.35

Finding the Fourth Proportional to 29,435.95, 40,620.76 and 16,690.35

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Solution

The fourth proportional to 29,435.95, 40,620.76 and 16,690.35 is: 23,032.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,435.95 : 40,620.76 = 16,690.35 : x
  2. Step 2: Convert to fraction form
    29,435.95/40,620.76 = 16,690.35/x
  3. Step 3: Cross multiply
    29,435.95x = 40,620.76 × 16,690.35
  4. Step 4: Simplify right side
    29,435.95x = 677,974,701.67
  5. Step 5: Solve for x
    x = 677,974,701.67/29,435.95
  6. Step 6: Final answer
    x = 23,032.20

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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.