Home / 56,178.40-84,266.88-16,762.72

Finding the Fourth Proportional to 56,178.40, 84,266.88 and 16,762.72

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Solution

The fourth proportional to 56,178.40, 84,266.88 and 16,762.72 is: 25,143.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,178.40 : 84,266.88 = 16,762.72 : x
  2. Step 2: Convert to fraction form
    56,178.40/84,266.88 = 16,762.72/x
  3. Step 3: Cross multiply
    56,178.40x = 84,266.88 × 16,762.72
  4. Step 4: Simplify right side
    56,178.40x = 1,412,542,114.71
  5. Step 5: Solve for x
    x = 1,412,542,114.71/56,178.40
  6. Step 6: Final answer
    x = 25,143.87

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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.