Home / 35,152.23-48,502.58-20,816.57

Finding the Fourth Proportional to 35,152.23, 48,502.58 and 20,816.57

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Solution

The fourth proportional to 35,152.23, 48,502.58 and 20,816.57 is: 28,722.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,152.23 : 48,502.58 = 20,816.57 : x
  2. Step 2: Convert to fraction form
    35,152.23/48,502.58 = 20,816.57/x
  3. Step 3: Cross multiply
    35,152.23x = 48,502.58 × 20,816.57
  4. Step 4: Simplify right side
    35,152.23x = 1,009,657,213.19
  5. Step 5: Solve for x
    x = 1,009,657,213.19/35,152.23
  6. Step 6: Final answer
    x = 28,722.42

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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.