Home / 29,445.75-40,635.54-16,870.50

Finding the Fourth Proportional to 29,445.75, 40,635.54 and 16,870.50

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Solution

The fourth proportional to 29,445.75, 40,635.54 and 16,870.50 is: 23,281.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,445.75 : 40,635.54 = 16,870.50 : x
  2. Step 2: Convert to fraction form
    29,445.75/40,635.54 = 16,870.50/x
  3. Step 3: Cross multiply
    29,445.75x = 40,635.54 × 16,870.50
  4. Step 4: Simplify right side
    29,445.75x = 685,541,877.57
  5. Step 5: Solve for x
    x = 685,541,877.57/29,445.75
  6. Step 6: Final answer
    x = 23,281.52

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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.