Home / 35,534.79-49,036.26-20,416.75

Finding the Fourth Proportional to 35,534.79, 49,036.26 and 20,416.75

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Solution

The fourth proportional to 35,534.79, 49,036.26 and 20,416.75 is: 28,174.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,534.79 : 49,036.26 = 20,416.75 : x
  2. Step 2: Convert to fraction form
    35,534.79/49,036.26 = 20,416.75/x
  3. Step 3: Cross multiply
    35,534.79x = 49,036.26 × 20,416.75
  4. Step 4: Simplify right side
    35,534.79x = 1,001,161,061.36
  5. Step 5: Solve for x
    x = 1,001,161,061.36/35,534.79
  6. Step 6: Final answer
    x = 28,174.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.