Home / 51,439.24-77,158.04-16,378.40

Finding the Fourth Proportional to 51,439.24, 77,158.04 and 16,378.40

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Solution

The fourth proportional to 51,439.24, 77,158.04 and 16,378.40 is: 24,567.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,439.24 : 77,158.04 = 16,378.40 : x
  2. Step 2: Convert to fraction form
    51,439.24/77,158.04 = 16,378.40/x
  3. Step 3: Cross multiply
    51,439.24x = 77,158.04 × 16,378.40
  4. Step 4: Simplify right side
    51,439.24x = 1,263,725,242.34
  5. Step 5: Solve for x
    x = 1,263,725,242.34/51,439.24
  6. Step 6: Final answer
    x = 24,567.34

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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.