Home / 53,021.40-79,527.96-23,440.20

Finding the Fourth Proportional to 53,021.40, 79,527.96 and 23,440.20

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Solution

The fourth proportional to 53,021.40, 79,527.96 and 23,440.20 is: 35,158.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,021.40 : 79,527.96 = 23,440.20 : x
  2. Step 2: Convert to fraction form
    53,021.40/79,527.96 = 23,440.20/x
  3. Step 3: Cross multiply
    53,021.40x = 79,527.96 × 23,440.20
  4. Step 4: Simplify right side
    53,021.40x = 1,864,151,287.99
  5. Step 5: Solve for x
    x = 1,864,151,287.99/53,021.40
  6. Step 6: Final answer
    x = 35,158.47

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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.