Home / 39,112.47-53,957.34-23,187.87

Finding the Fourth Proportional to 39,112.47, 53,957.34 and 23,187.87

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Solution

The fourth proportional to 39,112.47, 53,957.34 and 23,187.87 is: 31,988.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,112.47 : 53,957.34 = 23,187.87 : x
  2. Step 2: Convert to fraction form
    39,112.47/53,957.34 = 23,187.87/x
  3. Step 3: Cross multiply
    39,112.47x = 53,957.34 × 23,187.87
  4. Step 4: Simplify right side
    39,112.47x = 1,251,155,785.47
  5. Step 5: Solve for x
    x = 1,251,155,785.47/39,112.47
  6. Step 6: Final answer
    x = 31,988.67

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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.