Home / 39,130.21-58,698.89-11,050.68

Finding the Fourth Proportional to 39,130.21, 58,698.89 and 11,050.68

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Solution

The fourth proportional to 39,130.21, 58,698.89 and 11,050.68 is: 16,577.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,130.21 : 58,698.89 = 11,050.68 : x
  2. Step 2: Convert to fraction form
    39,130.21/58,698.89 = 11,050.68/x
  3. Step 3: Cross multiply
    39,130.21x = 58,698.89 × 11,050.68
  4. Step 4: Simplify right side
    39,130.21x = 648,662,649.75
  5. Step 5: Solve for x
    x = 648,662,649.75/39,130.21
  6. Step 6: Final answer
    x = 16,577.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.