Home / 34,507-47,619.66-20,359.84

Finding the Fourth Proportional to 34,507, 47,619.66 and 20,359.84

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Solution

The fourth proportional to 34,507, 47,619.66 and 20,359.84 is: 28,096.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,507 : 47,619.66 = 20,359.84 : x
  2. Step 2: Convert to fraction form
    34,507/47,619.66 = 20,359.84/x
  3. Step 3: Cross multiply
    34,507x = 47,619.66 × 20,359.84
  4. Step 4: Simplify right side
    34,507x = 969,528,658.45
  5. Step 5: Solve for x
    x = 969,528,658.45/34,507
  6. Step 6: Final answer
    x = 28,096.58

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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.