Home / 51,762.65-71,430.64-28,792.35

Finding the Fourth Proportional to 51,762.65, 71,430.64 and 28,792.35

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Solution

The fourth proportional to 51,762.65, 71,430.64 and 28,792.35 is: 39,732.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,762.65 : 71,430.64 = 28,792.35 : x
  2. Step 2: Convert to fraction form
    51,762.65/71,430.64 = 28,792.35/x
  3. Step 3: Cross multiply
    51,762.65x = 71,430.64 × 28,792.35
  4. Step 4: Simplify right side
    51,762.65x = 2,056,655,987.60
  5. Step 5: Solve for x
    x = 2,056,655,987.60/51,762.65
  6. Step 6: Final answer
    x = 39,732.43

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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.