Home / 39,742.76-54,900.96-37,643.24

Finding the Fourth Proportional to 39,742.76, 54,900.96 and 37,643.24

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Solution

The fourth proportional to 39,742.76, 54,900.96 and 37,643.24 is: 52,000.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,742.76 : 54,900.96 = 37,643.24 : x
  2. Step 2: Convert to fraction form
    39,742.76/54,900.96 = 37,643.24/x
  3. Step 3: Cross multiply
    39,742.76x = 54,900.96 × 37,643.24
  4. Step 4: Simplify right side
    39,742.76x = 2,066,650,013.51
  5. Step 5: Solve for x
    x = 2,066,650,013.51/39,742.76
  6. Step 6: Final answer
    x = 52,000.67

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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.