Home / 29,078.34-40,148.37-19,532.76

Finding the Fourth Proportional to 29,078.34, 40,148.37 and 19,532.76

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Solution

The fourth proportional to 29,078.34, 40,148.37 and 19,532.76 is: 26,968.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,078.34 : 40,148.37 = 19,532.76 : x
  2. Step 2: Convert to fraction form
    29,078.34/40,148.37 = 19,532.76/x
  3. Step 3: Cross multiply
    29,078.34x = 40,148.37 × 19,532.76
  4. Step 4: Simplify right side
    29,078.34x = 784,208,475.60
  5. Step 5: Solve for x
    x = 784,208,475.60/29,078.34
  6. Step 6: Final answer
    x = 26,968.82

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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.