Home / 38,960.64-53,779.68-23,058.72

Finding the Fourth Proportional to 38,960.64, 53,779.68 and 23,058.72

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Solution

The fourth proportional to 38,960.64, 53,779.68 and 23,058.72 is: 31,829.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,960.64 : 53,779.68 = 23,058.72 : x
  2. Step 2: Convert to fraction form
    38,960.64/53,779.68 = 23,058.72/x
  3. Step 3: Cross multiply
    38,960.64x = 53,779.68 × 23,058.72
  4. Step 4: Simplify right side
    38,960.64x = 1,240,090,582.81
  5. Step 5: Solve for x
    x = 1,240,090,582.81/38,960.64
  6. Step 6: Final answer
    x = 31,829.32

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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.