Home / 51,346.50-76,893.95-42,407.13

Finding the Fourth Proportional to 51,346.50, 76,893.95 and 42,407.13

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Solution

The fourth proportional to 51,346.50, 76,893.95 and 42,407.13 is: 63,506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,346.50 : 76,893.95 = 42,407.13 : x
  2. Step 2: Convert to fraction form
    51,346.50/76,893.95 = 42,407.13/x
  3. Step 3: Cross multiply
    51,346.50x = 76,893.95 × 42,407.13
  4. Step 4: Simplify right side
    51,346.50x = 3,260,852,128.23
  5. Step 5: Solve for x
    x = 3,260,852,128.23/51,346.50
  6. Step 6: Final answer
    x = 63,506.81

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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.