Home / 47,280.34-70,931.40-16,115.50

Finding the Fourth Proportional to 47,280.34, 70,931.40 and 16,115.50

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Solution

The fourth proportional to 47,280.34, 70,931.40 and 16,115.50 is: 24,176.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,280.34 : 70,931.40 = 16,115.50 : x
  2. Step 2: Convert to fraction form
    47,280.34/70,931.40 = 16,115.50/x
  3. Step 3: Cross multiply
    47,280.34x = 70,931.40 × 16,115.50
  4. Step 4: Simplify right side
    47,280.34x = 1,143,094,976.70
  5. Step 5: Solve for x
    x = 1,143,094,976.70/47,280.34
  6. Step 6: Final answer
    x = 24,176.96

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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.