Home / 51,153.93-70,587.33-28,492.05

Finding the Fourth Proportional to 51,153.93, 70,587.33 and 28,492.05

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Solution

The fourth proportional to 51,153.93, 70,587.33 and 28,492.05 is: 39,316.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,153.93 : 70,587.33 = 28,492.05 : x
  2. Step 2: Convert to fraction form
    51,153.93/70,587.33 = 28,492.05/x
  3. Step 3: Cross multiply
    51,153.93x = 70,587.33 × 28,492.05
  4. Step 4: Simplify right side
    51,153.93x = 2,011,177,735.73
  5. Step 5: Solve for x
    x = 2,011,177,735.73/51,153.93
  6. Step 6: Final answer
    x = 39,316.19

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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.