Home / 53,035.28-79,605.20-38,955.78

Finding the Fourth Proportional to 53,035.28, 79,605.20 and 38,955.78

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Solution

The fourth proportional to 53,035.28, 79,605.20 and 38,955.78 is: 58,472.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,035.28 : 79,605.20 = 38,955.78 : x
  2. Step 2: Convert to fraction form
    53,035.28/79,605.20 = 38,955.78/x
  3. Step 3: Cross multiply
    53,035.28x = 79,605.20 × 38,955.78
  4. Step 4: Simplify right side
    53,035.28x = 3,101,082,536.32
  5. Step 5: Solve for x
    x = 3,101,082,536.32/53,035.28
  6. Step 6: Final answer
    x = 58,472.07

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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.