Home / 50,973.75-70,343.78-28,617.75

Finding the Fourth Proportional to 50,973.75, 70,343.78 and 28,617.75

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Solution

The fourth proportional to 50,973.75, 70,343.78 and 28,617.75 is: 39,492.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,973.75 : 70,343.78 = 28,617.75 : x
  2. Step 2: Convert to fraction form
    50,973.75/70,343.78 = 28,617.75/x
  3. Step 3: Cross multiply
    50,973.75x = 70,343.78 × 28,617.75
  4. Step 4: Simplify right side
    50,973.75x = 2,013,080,710.10
  5. Step 5: Solve for x
    x = 2,013,080,710.10/50,973.75
  6. Step 6: Final answer
    x = 39,492.50

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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.