Home / 35,683.10-53,524.65-20,908.70

Finding the Fourth Proportional to 35,683.10, 53,524.65 and 20,908.70

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Solution

The fourth proportional to 35,683.10, 53,524.65 and 20,908.70 is: 31,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,683.10 : 53,524.65 = 20,908.70 : x
  2. Step 2: Convert to fraction form
    35,683.10/53,524.65 = 20,908.70/x
  3. Step 3: Cross multiply
    35,683.10x = 53,524.65 × 20,908.70
  4. Step 4: Simplify right side
    35,683.10x = 1,119,130,849.46
  5. Step 5: Solve for x
    x = 1,119,130,849.46/35,683.10
  6. Step 6: Final answer
    x = 31,363.05

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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.