Home / 70,947.07-106,407.84-18,353.36

Finding the Fourth Proportional to 70,947.07, 106,407.84 and 18,353.36

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Solution

The fourth proportional to 70,947.07, 106,407.84 and 18,353.36 is: 27,526.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,947.07 : 106,407.84 = 18,353.36 : x
  2. Step 2: Convert to fraction form
    70,947.07/106,407.84 = 18,353.36/x
  3. Step 3: Cross multiply
    70,947.07x = 106,407.84 × 18,353.36
  4. Step 4: Simplify right side
    70,947.07x = 1,952,941,660.36
  5. Step 5: Solve for x
    x = 1,952,941,660.36/70,947.07
  6. Step 6: Final answer
    x = 27,526.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.