Home / 35,435.40-48,899.34-20,317.53

Finding the Fourth Proportional to 35,435.40, 48,899.34 and 20,317.53

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Solution

The fourth proportional to 35,435.40, 48,899.34 and 20,317.53 is: 28,037.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,435.40 : 48,899.34 = 20,317.53 : x
  2. Step 2: Convert to fraction form
    35,435.40/48,899.34 = 20,317.53/x
  3. Step 3: Cross multiply
    35,435.40x = 48,899.34 × 20,317.53
  4. Step 4: Simplify right side
    35,435.40x = 993,513,807.43
  5. Step 5: Solve for x
    x = 993,513,807.43/35,435.40
  6. Step 6: Final answer
    x = 28,037.32

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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.