Home / 50,955.77-70,320.28-28,295.72

Finding the Fourth Proportional to 50,955.77, 70,320.28 and 28,295.72

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Solution

The fourth proportional to 50,955.77, 70,320.28 and 28,295.72 is: 39,048.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,955.77 : 70,320.28 = 28,295.72 : x
  2. Step 2: Convert to fraction form
    50,955.77/70,320.28 = 28,295.72/x
  3. Step 3: Cross multiply
    50,955.77x = 70,320.28 × 28,295.72
  4. Step 4: Simplify right side
    50,955.77x = 1,989,762,530.86
  5. Step 5: Solve for x
    x = 1,989,762,530.86/50,955.77
  6. Step 6: Final answer
    x = 39,048.81

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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.