Home / 45,677.10-68,507.56-12,399.76

Finding the Fourth Proportional to 45,677.10, 68,507.56 and 12,399.76

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Solution

The fourth proportional to 45,677.10, 68,507.56 and 12,399.76 is: 18,597.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,677.10 : 68,507.56 = 12,399.76 : x
  2. Step 2: Convert to fraction form
    45,677.10/68,507.56 = 12,399.76/x
  3. Step 3: Cross multiply
    45,677.10x = 68,507.56 × 12,399.76
  4. Step 4: Simplify right side
    45,677.10x = 849,477,302.19
  5. Step 5: Solve for x
    x = 849,477,302.19/45,677.10
  6. Step 6: Final answer
    x = 18,597.44

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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.