Home / 47,280.68-70,920.80-14,000.94

Finding the Fourth Proportional to 47,280.68, 70,920.80 and 14,000.94

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Solution

The fourth proportional to 47,280.68, 70,920.80 and 14,000.94 is: 21,001.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,280.68 : 70,920.80 = 14,000.94 : x
  2. Step 2: Convert to fraction form
    47,280.68/70,920.80 = 14,000.94/x
  3. Step 3: Cross multiply
    47,280.68x = 70,920.80 × 14,000.94
  4. Step 4: Simplify right side
    47,280.68x = 992,957,865.55
  5. Step 5: Solve for x
    x = 992,957,865.55/47,280.68
  6. Step 6: Final answer
    x = 21,001.34

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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.