Home / 51,371.76-70,899.68-30,153

Finding the Fourth Proportional to 51,371.76, 70,899.68 and 30,153

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Solution

The fourth proportional to 51,371.76, 70,899.68 and 30,153 is: 41,615.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,371.76 : 70,899.68 = 30,153 : x
  2. Step 2: Convert to fraction form
    51,371.76/70,899.68 = 30,153/x
  3. Step 3: Cross multiply
    51,371.76x = 70,899.68 × 30,153
  4. Step 4: Simplify right side
    51,371.76x = 2,137,838,051.04
  5. Step 5: Solve for x
    x = 2,137,838,051.04/51,371.76
  6. Step 6: Final answer
    x = 41,615.04

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1.5x scale

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.