Home / 51,149.36-70,581.04-28,490.45

Finding the Fourth Proportional to 51,149.36, 70,581.04 and 28,490.45

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Solution

The fourth proportional to 51,149.36, 70,581.04 and 28,490.45 is: 39,313.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,149.36 : 70,581.04 = 28,490.45 : x
  2. Step 2: Convert to fraction form
    51,149.36/70,581.04 = 28,490.45/x
  3. Step 3: Cross multiply
    51,149.36x = 70,581.04 × 28,490.45
  4. Step 4: Simplify right side
    51,149.36x = 2,010,885,166.94
  5. Step 5: Solve for x
    x = 2,010,885,166.94/51,149.36
  6. Step 6: Final answer
    x = 39,313.98

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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.