Home / 51,669.61-77,484.74-30,615.59

Finding the Fourth Proportional to 51,669.61, 77,484.74 and 30,615.59

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Solution

The fourth proportional to 51,669.61, 77,484.74 and 30,615.59 is: 45,911.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,669.61 : 77,484.74 = 30,615.59 : x
  2. Step 2: Convert to fraction form
    51,669.61/77,484.74 = 30,615.59/x
  3. Step 3: Cross multiply
    51,669.61x = 77,484.74 × 30,615.59
  4. Step 4: Simplify right side
    51,669.61x = 2,372,241,031.10
  5. Step 5: Solve for x
    x = 2,372,241,031.10/51,669.61
  6. Step 6: Final answer
    x = 45,911.73

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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.