Home / 52,916.88-79,380-19,637.32

Finding the Fourth Proportional to 52,916.88, 79,380 and 19,637.32

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Solution

The fourth proportional to 52,916.88, 79,380 and 19,637.32 is: 29,457.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,916.88 : 79,380 = 19,637.32 : x
  2. Step 2: Convert to fraction form
    52,916.88/79,380 = 19,637.32/x
  3. Step 3: Cross multiply
    52,916.88x = 79,380 × 19,637.32
  4. Step 4: Simplify right side
    52,916.88x = 1,558,810,461.60
  5. Step 5: Solve for x
    x = 1,558,810,461.60/52,916.88
  6. Step 6: Final answer
    x = 29,457.72

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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.