Home / 43,009.60-64,514.40-38,862.40

Finding the Fourth Proportional to 43,009.60, 64,514.40 and 38,862.40

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Solution

The fourth proportional to 43,009.60, 64,514.40 and 38,862.40 is: 58,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,009.60 : 64,514.40 = 38,862.40 : x
  2. Step 2: Convert to fraction form
    43,009.60/64,514.40 = 38,862.40/x
  3. Step 3: Cross multiply
    43,009.60x = 64,514.40 × 38,862.40
  4. Step 4: Simplify right side
    43,009.60x = 2,507,184,418.56
  5. Step 5: Solve for x
    x = 2,507,184,418.56/43,009.60
  6. Step 6: Final answer
    x = 58,293.60

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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.