Home / 39,431.96-54,403.08-26,009.90

Finding the Fourth Proportional to 39,431.96, 54,403.08 and 26,009.90

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Solution

The fourth proportional to 39,431.96, 54,403.08 and 26,009.90 is: 35,885.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,431.96 : 54,403.08 = 26,009.90 : x
  2. Step 2: Convert to fraction form
    39,431.96/54,403.08 = 26,009.90/x
  3. Step 3: Cross multiply
    39,431.96x = 54,403.08 × 26,009.90
  4. Step 4: Simplify right side
    39,431.96x = 1,415,018,670.49
  5. Step 5: Solve for x
    x = 1,415,018,670.49/39,431.96
  6. Step 6: Final answer
    x = 35,885.07

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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.