Home / 47,416.72-65,429.78-26,190.68

Finding the Fourth Proportional to 47,416.72, 65,429.78 and 26,190.68

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Solution

The fourth proportional to 47,416.72, 65,429.78 and 26,190.68 is: 36,140.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,416.72 : 65,429.78 = 26,190.68 : x
  2. Step 2: Convert to fraction form
    47,416.72/65,429.78 = 26,190.68/x
  3. Step 3: Cross multiply
    47,416.72x = 65,429.78 × 26,190.68
  4. Step 4: Simplify right side
    47,416.72x = 1,713,650,430.45
  5. Step 5: Solve for x
    x = 1,713,650,430.45/47,416.72
  6. Step 6: Final answer
    x = 36,140.21

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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.