Home / 45,472.16-68,199.01-12,184.45

Finding the Fourth Proportional to 45,472.16, 68,199.01 and 12,184.45

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Solution

The fourth proportional to 45,472.16, 68,199.01 and 12,184.45 is: 18,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,472.16 : 68,199.01 = 12,184.45 : x
  2. Step 2: Convert to fraction form
    45,472.16/68,199.01 = 12,184.45/x
  3. Step 3: Cross multiply
    45,472.16x = 68,199.01 × 12,184.45
  4. Step 4: Simplify right side
    45,472.16x = 830,967,427.39
  5. Step 5: Solve for x
    x = 830,967,427.39/45,472.16
  6. Step 6: Final answer
    x = 18,274.20

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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.