Home / 39,903.36-55,071.36-23,136.96

Finding the Fourth Proportional to 39,903.36, 55,071.36 and 23,136.96

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Solution

The fourth proportional to 39,903.36, 55,071.36 and 23,136.96 is: 31,931.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,903.36 : 55,071.36 = 23,136.96 : x
  2. Step 2: Convert to fraction form
    39,903.36/55,071.36 = 23,136.96/x
  3. Step 3: Cross multiply
    39,903.36x = 55,071.36 × 23,136.96
  4. Step 4: Simplify right side
    39,903.36x = 1,274,183,853.47
  5. Step 5: Solve for x
    x = 1,274,183,853.47/39,903.36
  6. Step 6: Final answer
    x = 31,931.74

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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.