Home / 34,685.99-47,866.58-18,770.45

Finding the Fourth Proportional to 34,685.99, 47,866.58 and 18,770.45

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Solution

The fourth proportional to 34,685.99, 47,866.58 and 18,770.45 is: 25,903.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,685.99 : 47,866.58 = 18,770.45 : x
  2. Step 2: Convert to fraction form
    34,685.99/47,866.58 = 18,770.45/x
  3. Step 3: Cross multiply
    34,685.99x = 47,866.58 × 18,770.45
  4. Step 4: Simplify right side
    34,685.99x = 898,477,332.20
  5. Step 5: Solve for x
    x = 898,477,332.20/34,685.99
  6. Step 6: Final answer
    x = 25,903.18

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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.