Home / 40,563.40-56,015.81-38,354.53

Finding the Fourth Proportional to 40,563.40, 56,015.81 and 38,354.53

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Solution

The fourth proportional to 40,563.40, 56,015.81 and 38,354.53 is: 52,965.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,563.40 : 56,015.81 = 38,354.53 : x
  2. Step 2: Convert to fraction form
    40,563.40/56,015.81 = 38,354.53/x
  3. Step 3: Cross multiply
    40,563.40x = 56,015.81 × 38,354.53
  4. Step 4: Simplify right side
    40,563.40x = 2,148,460,065.12
  5. Step 5: Solve for x
    x = 2,148,460,065.12/40,563.40
  6. Step 6: Final answer
    x = 52,965.48

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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.