Home / 47,412.81-65,424.11-26,190.81

Finding the Fourth Proportional to 47,412.81, 65,424.11 and 26,190.81

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Solution

The fourth proportional to 47,412.81, 65,424.11 and 26,190.81 is: 36,140.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,412.81 : 65,424.11 = 26,190.81 : x
  2. Step 2: Convert to fraction form
    47,412.81/65,424.11 = 26,190.81/x
  3. Step 3: Cross multiply
    47,412.81x = 65,424.11 × 26,190.81
  4. Step 4: Simplify right side
    47,412.81x = 1,713,510,303.48
  5. Step 5: Solve for x
    x = 1,713,510,303.48/47,412.81
  6. Step 6: Final answer
    x = 36,140.24

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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.