Home / 51,973.76-77,941.29-18,684.74

Finding the Fourth Proportional to 51,973.76, 77,941.29 and 18,684.74

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Solution

The fourth proportional to 51,973.76, 77,941.29 and 18,684.74 is: 28,020.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,973.76 : 77,941.29 = 18,684.74 : x
  2. Step 2: Convert to fraction form
    51,973.76/77,941.29 = 18,684.74/x
  3. Step 3: Cross multiply
    51,973.76x = 77,941.29 × 18,684.74
  4. Step 4: Simplify right side
    51,973.76x = 1,456,312,738.91
  5. Step 5: Solve for x
    x = 1,456,312,738.91/51,973.76
  6. Step 6: Final answer
    x = 28,020.15

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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.