Home / 35,438.72-53,167.19-10,477.76

Finding the Fourth Proportional to 35,438.72, 53,167.19 and 10,477.76

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Solution

The fourth proportional to 35,438.72, 53,167.19 and 10,477.76 is: 15,719.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,438.72 : 53,167.19 = 10,477.76 : x
  2. Step 2: Convert to fraction form
    35,438.72/53,167.19 = 10,477.76/x
  3. Step 3: Cross multiply
    35,438.72x = 53,167.19 × 10,477.76
  4. Step 4: Simplify right side
    35,438.72x = 557,072,738.47
  5. Step 5: Solve for x
    x = 557,072,738.47/35,438.72
  6. Step 6: Final answer
    x = 15,719.33

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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.