Home / 51,929.51-71,663.04-28,960.79

Finding the Fourth Proportional to 51,929.51, 71,663.04 and 28,960.79

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Solution

The fourth proportional to 51,929.51, 71,663.04 and 28,960.79 is: 39,966.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,929.51 : 71,663.04 = 28,960.79 : x
  2. Step 2: Convert to fraction form
    51,929.51/71,663.04 = 28,960.79/x
  3. Step 3: Cross multiply
    51,929.51x = 71,663.04 × 28,960.79
  4. Step 4: Simplify right side
    51,929.51x = 2,075,417,893.89
  5. Step 5: Solve for x
    x = 2,075,417,893.89/51,929.51
  6. Step 6: Final answer
    x = 39,966.06

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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.