Home / 53,333.40-79,938.50-20,032.21

Finding the Fourth Proportional to 53,333.40, 79,938.50 and 20,032.21

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Solution

The fourth proportional to 53,333.40, 79,938.50 and 20,032.21 is: 30,025.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,333.40 : 79,938.50 = 20,032.21 : x
  2. Step 2: Convert to fraction form
    53,333.40/79,938.50 = 20,032.21/x
  3. Step 3: Cross multiply
    53,333.40x = 79,938.50 × 20,032.21
  4. Step 4: Simplify right side
    53,333.40x = 1,601,344,419.39
  5. Step 5: Solve for x
    x = 1,601,344,419.39/53,333.40
  6. Step 6: Final answer
    x = 30,025.17

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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.