Home / 39,072.09-53,916.28-22,077.81

Finding the Fourth Proportional to 39,072.09, 53,916.28 and 22,077.81

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Solution

The fourth proportional to 39,072.09, 53,916.28 and 22,077.81 is: 30,465.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,072.09 : 53,916.28 = 22,077.81 : x
  2. Step 2: Convert to fraction form
    39,072.09/53,916.28 = 22,077.81/x
  3. Step 3: Cross multiply
    39,072.09x = 53,916.28 × 22,077.81
  4. Step 4: Simplify right side
    39,072.09x = 1,190,353,005.78
  5. Step 5: Solve for x
    x = 1,190,353,005.78/39,072.09
  6. Step 6: Final answer
    x = 30,465.56

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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.