Home / 40,885.10-61,327.64-12,807.36

Finding the Fourth Proportional to 40,885.10, 61,327.64 and 12,807.36

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Solution

The fourth proportional to 40,885.10, 61,327.64 and 12,807.36 is: 19,211.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,885.10 : 61,327.64 = 12,807.36 : x
  2. Step 2: Convert to fraction form
    40,885.10/61,327.64 = 12,807.36/x
  3. Step 3: Cross multiply
    40,885.10x = 61,327.64 × 12,807.36
  4. Step 4: Simplify right side
    40,885.10x = 785,445,163.43
  5. Step 5: Solve for x
    x = 785,445,163.43/40,885.10
  6. Step 6: Final answer
    x = 19,211.04

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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.