Home / 47,856.02-71,784.04-21,530

Finding the Fourth Proportional to 47,856.02, 71,784.04 and 21,530

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Solution

The fourth proportional to 47,856.02, 71,784.04 and 21,530 is: 32,295.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,856.02 : 71,784.04 = 21,530 : x
  2. Step 2: Convert to fraction form
    47,856.02/71,784.04 = 21,530/x
  3. Step 3: Cross multiply
    47,856.02x = 71,784.04 × 21,530
  4. Step 4: Simplify right side
    47,856.02x = 1,545,510,381.20
  5. Step 5: Solve for x
    x = 1,545,510,381.20/47,856.02
  6. Step 6: Final answer
    x = 32,295.00

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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.