Home / 51,401.84-70,933.10-28,740.86

Finding the Fourth Proportional to 51,401.84, 70,933.10 and 28,740.86

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Solution

The fourth proportional to 51,401.84, 70,933.10 and 28,740.86 is: 39,661.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,401.84 : 70,933.10 = 28,740.86 : x
  2. Step 2: Convert to fraction form
    51,401.84/70,933.10 = 28,740.86/x
  3. Step 3: Cross multiply
    51,401.84x = 70,933.10 × 28,740.86
  4. Step 4: Simplify right side
    51,401.84x = 2,038,678,296.47
  5. Step 5: Solve for x
    x = 2,038,678,296.47/51,401.84
  6. Step 6: Final answer
    x = 39,661.58

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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.