Home / 37,938.11-56,916.41-12,637.55

Finding the Fourth Proportional to 37,938.11, 56,916.41 and 12,637.55

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Solution

The fourth proportional to 37,938.11, 56,916.41 and 12,637.55 is: 18,959.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,938.11 : 56,916.41 = 12,637.55 : x
  2. Step 2: Convert to fraction form
    37,938.11/56,916.41 = 12,637.55/x
  3. Step 3: Cross multiply
    37,938.11x = 56,916.41 × 12,637.55
  4. Step 4: Simplify right side
    37,938.11x = 719,284,056.30
  5. Step 5: Solve for x
    x = 719,284,056.30/37,938.11
  6. Step 6: Final answer
    x = 18,959.41

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1.5x scale

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.