Home / 51,630.36-77,430.65-14,191.66

Finding the Fourth Proportional to 51,630.36, 77,430.65 and 14,191.66

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Solution

The fourth proportional to 51,630.36, 77,430.65 and 14,191.66 is: 21,283.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,630.36 : 77,430.65 = 14,191.66 : x
  2. Step 2: Convert to fraction form
    51,630.36/77,430.65 = 14,191.66/x
  3. Step 3: Cross multiply
    51,630.36x = 77,430.65 × 14,191.66
  4. Step 4: Simplify right side
    51,630.36x = 1,098,869,128.49
  5. Step 5: Solve for x
    x = 1,098,869,128.49/51,630.36
  6. Step 6: Final answer
    x = 21,283.39

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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.