Home / 47,156.18-65,090.61-30,206.02

Finding the Fourth Proportional to 47,156.18, 65,090.61 and 30,206.02

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Solution

The fourth proportional to 47,156.18, 65,090.61 and 30,206.02 is: 41,693.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,156.18 : 65,090.61 = 30,206.02 : x
  2. Step 2: Convert to fraction form
    47,156.18/65,090.61 = 30,206.02/x
  3. Step 3: Cross multiply
    47,156.18x = 65,090.61 × 30,206.02
  4. Step 4: Simplify right side
    47,156.18x = 1,966,128,267.47
  5. Step 5: Solve for x
    x = 1,966,128,267.47/47,156.18
  6. Step 6: Final answer
    x = 41,693.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.