Home / 47,005.27-70,472.84-28,280.92

Finding the Fourth Proportional to 47,005.27, 70,472.84 and 28,280.92

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Solution

The fourth proportional to 47,005.27, 70,472.84 and 28,280.92 is: 42,400.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,005.27 : 70,472.84 = 28,280.92 : x
  2. Step 2: Convert to fraction form
    47,005.27/70,472.84 = 28,280.92/x
  3. Step 3: Cross multiply
    47,005.27x = 70,472.84 × 28,280.92
  4. Step 4: Simplify right side
    47,005.27x = 1,993,036,432.63
  5. Step 5: Solve for x
    x = 1,993,036,432.63/47,005.27
  6. Step 6: Final answer
    x = 42,400.28

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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.