Home / 53,015.40-79,518.96-23,434.20

Finding the Fourth Proportional to 53,015.40, 79,518.96 and 23,434.20

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Solution

The fourth proportional to 53,015.40, 79,518.96 and 23,434.20 is: 35,149.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,015.40 : 79,518.96 = 23,434.20 : x
  2. Step 2: Convert to fraction form
    53,015.40/79,518.96 = 23,434.20/x
  3. Step 3: Cross multiply
    53,015.40x = 79,518.96 × 23,434.20
  4. Step 4: Simplify right side
    53,015.40x = 1,863,463,212.43
  5. Step 5: Solve for x
    x = 1,863,463,212.43/53,015.40
  6. Step 6: Final answer
    x = 35,149.47

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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.