Home / 58,178.18-87,264.83-18,734.42

Finding the Fourth Proportional to 58,178.18, 87,264.83 and 18,734.42

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Solution

The fourth proportional to 58,178.18, 87,264.83 and 18,734.42 is: 28,100.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,178.18 : 87,264.83 = 18,734.42 : x
  2. Step 2: Convert to fraction form
    58,178.18/87,264.83 = 18,734.42/x
  3. Step 3: Cross multiply
    58,178.18x = 87,264.83 × 18,734.42
  4. Step 4: Simplify right side
    58,178.18x = 1,634,855,446.45
  5. Step 5: Solve for x
    x = 1,634,855,446.45/58,178.18
  6. Step 6: Final answer
    x = 28,100.84

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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.