Home / 45,793.58-63,160.40-39,431.02

Finding the Fourth Proportional to 45,793.58, 63,160.40 and 39,431.02

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Solution

The fourth proportional to 45,793.58, 63,160.40 and 39,431.02 is: 54,384.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,793.58 : 63,160.40 = 39,431.02 : x
  2. Step 2: Convert to fraction form
    45,793.58/63,160.40 = 39,431.02/x
  3. Step 3: Cross multiply
    45,793.58x = 63,160.40 × 39,431.02
  4. Step 4: Simplify right side
    45,793.58x = 2,490,478,995.61
  5. Step 5: Solve for x
    x = 2,490,478,995.61/45,793.58
  6. Step 6: Final answer
    x = 54,384.89

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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.