Home / 53,341.12-80,021.40-18,284.32

Finding the Fourth Proportional to 53,341.12, 80,021.40 and 18,284.32

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Solution

The fourth proportional to 53,341.12, 80,021.40 and 18,284.32 is: 27,429.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,341.12 : 80,021.40 = 18,284.32 : x
  2. Step 2: Convert to fraction form
    53,341.12/80,021.40 = 18,284.32/x
  3. Step 3: Cross multiply
    53,341.12x = 80,021.40 × 18,284.32
  4. Step 4: Simplify right side
    53,341.12x = 1,463,136,884.45
  5. Step 5: Solve for x
    x = 1,463,136,884.45/53,341.12
  6. Step 6: Final answer
    x = 27,429.81

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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.