Home / 70,833.36-106,225.28-20,900.24

Finding the Fourth Proportional to 70,833.36, 106,225.28 and 20,900.24

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Solution

The fourth proportional to 70,833.36, 106,225.28 and 20,900.24 is: 31,343.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,833.36 : 106,225.28 = 20,900.24 : x
  2. Step 2: Convert to fraction form
    70,833.36/106,225.28 = 20,900.24/x
  3. Step 3: Cross multiply
    70,833.36x = 106,225.28 × 20,900.24
  4. Step 4: Simplify right side
    70,833.36x = 2,220,133,846.07
  5. Step 5: Solve for x
    x = 2,220,133,846.07/70,833.36
  6. Step 6: Final answer
    x = 31,343.05

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1.5x scale

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.