Home / 47,953.28-71,929.80-12,892.92

Finding the Fourth Proportional to 47,953.28, 71,929.80 and 12,892.92

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Solution

The fourth proportional to 47,953.28, 71,929.80 and 12,892.92 is: 19,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,953.28 : 71,929.80 = 12,892.92 : x
  2. Step 2: Convert to fraction form
    47,953.28/71,929.80 = 12,892.92/x
  3. Step 3: Cross multiply
    47,953.28x = 71,929.80 × 12,892.92
  4. Step 4: Simplify right side
    47,953.28x = 927,385,157.02
  5. Step 5: Solve for x
    x = 927,385,157.02/47,953.28
  6. Step 6: Final answer
    x = 19,339.35

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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.