Home / 51,916.51-77,874.77-14,475.07

Finding the Fourth Proportional to 51,916.51, 77,874.77 and 14,475.07

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Solution

The fourth proportional to 51,916.51, 77,874.77 and 14,475.07 is: 21,712.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,916.51 : 77,874.77 = 14,475.07 : x
  2. Step 2: Convert to fraction form
    51,916.51/77,874.77 = 14,475.07/x
  3. Step 3: Cross multiply
    51,916.51x = 77,874.77 × 14,475.07
  4. Step 4: Simplify right side
    51,916.51x = 1,127,242,746.98
  5. Step 5: Solve for x
    x = 1,127,242,746.98/51,916.51
  6. Step 6: Final answer
    x = 21,712.61

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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.