Home / 34,877.76-48,130.32-18,961.84

Finding the Fourth Proportional to 34,877.76, 48,130.32 and 18,961.84

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Solution

The fourth proportional to 34,877.76, 48,130.32 and 18,961.84 is: 26,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,877.76 : 48,130.32 = 18,961.84 : x
  2. Step 2: Convert to fraction form
    34,877.76/48,130.32 = 18,961.84/x
  3. Step 3: Cross multiply
    34,877.76x = 48,130.32 × 18,961.84
  4. Step 4: Simplify right side
    34,877.76x = 912,639,426.99
  5. Step 5: Solve for x
    x = 912,639,426.99/34,877.76
  6. Step 6: Final answer
    x = 26,166.80

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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.