Home / 51,412.20-70,948.34-28,750.93

Finding the Fourth Proportional to 51,412.20, 70,948.34 and 28,750.93

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Solution

The fourth proportional to 51,412.20, 70,948.34 and 28,750.93 is: 39,676.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,412.20 : 70,948.34 = 28,750.93 : x
  2. Step 2: Convert to fraction form
    51,412.20/70,948.34 = 28,750.93/x
  3. Step 3: Cross multiply
    51,412.20x = 70,948.34 × 28,750.93
  4. Step 4: Simplify right side
    51,412.20x = 2,039,830,613.20
  5. Step 5: Solve for x
    x = 2,039,830,613.20/51,412.20
  6. Step 6: Final answer
    x = 39,676.01

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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.