Home / 51,218.30-70,709.10-35,387.84

Finding the Fourth Proportional to 51,218.30, 70,709.10 and 35,387.84

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Solution

The fourth proportional to 51,218.30, 70,709.10 and 35,387.84 is: 48,854.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,218.30 : 70,709.10 = 35,387.84 : x
  2. Step 2: Convert to fraction form
    51,218.30/70,709.10 = 35,387.84/x
  3. Step 3: Cross multiply
    51,218.30x = 70,709.10 × 35,387.84
  4. Step 4: Simplify right side
    51,218.30x = 2,502,242,317.34
  5. Step 5: Solve for x
    x = 2,502,242,317.34/51,218.30
  6. Step 6: Final answer
    x = 48,854.46

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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.