Home / 51,004.86-70,385.30-28,343.28

Finding the Fourth Proportional to 51,004.86, 70,385.30 and 28,343.28

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Solution

The fourth proportional to 51,004.86, 70,385.30 and 28,343.28 is: 39,112.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,004.86 : 70,385.30 = 28,343.28 : x
  2. Step 2: Convert to fraction form
    51,004.86/70,385.30 = 28,343.28/x
  3. Step 3: Cross multiply
    51,004.86x = 70,385.30 × 28,343.28
  4. Step 4: Simplify right side
    51,004.86x = 1,994,950,265.78
  5. Step 5: Solve for x
    x = 1,994,950,265.78/51,004.86
  6. Step 6: Final answer
    x = 39,112.94

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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.