Home / 34,692.50-47,831.99-28,312.61

Finding the Fourth Proportional to 34,692.50, 47,831.99 and 28,312.61

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Solution

The fourth proportional to 34,692.50, 47,831.99 and 28,312.61 is: 39,035.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,692.50 : 47,831.99 = 28,312.61 : x
  2. Step 2: Convert to fraction form
    34,692.50/47,831.99 = 28,312.61/x
  3. Step 3: Cross multiply
    34,692.50x = 47,831.99 × 28,312.61
  4. Step 4: Simplify right side
    34,692.50x = 1,354,248,097.67
  5. Step 5: Solve for x
    x = 1,354,248,097.67/34,692.50
  6. Step 6: Final answer
    x = 39,035.76

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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.