Home / 48,299.16-72,449.01-21,985.50

Finding the Fourth Proportional to 48,299.16, 72,449.01 and 21,985.50

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Solution

The fourth proportional to 48,299.16, 72,449.01 and 21,985.50 is: 32,978.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,299.16 : 72,449.01 = 21,985.50 : x
  2. Step 2: Convert to fraction form
    48,299.16/72,449.01 = 21,985.50/x
  3. Step 3: Cross multiply
    48,299.16x = 72,449.01 × 21,985.50
  4. Step 4: Simplify right side
    48,299.16x = 1,592,827,709.36
  5. Step 5: Solve for x
    x = 1,592,827,709.36/48,299.16
  6. Step 6: Final answer
    x = 32,978.37

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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.