Home / 56,116.28-84,178.12-18,674.84

Finding the Fourth Proportional to 56,116.28, 84,178.12 and 18,674.84

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Solution

The fourth proportional to 56,116.28, 84,178.12 and 18,674.84 is: 28,013.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,116.28 : 84,178.12 = 18,674.84 : x
  2. Step 2: Convert to fraction form
    56,116.28/84,178.12 = 18,674.84/x
  3. Step 3: Cross multiply
    56,116.28x = 84,178.12 × 18,674.84
  4. Step 4: Simplify right side
    56,116.28x = 1,572,012,922.50
  5. Step 5: Solve for x
    x = 1,572,012,922.50/56,116.28
  6. Step 6: Final answer
    x = 28,013.49

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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.