Home / 51,049.32-70,445.88-28,389.84

Finding the Fourth Proportional to 51,049.32, 70,445.88 and 28,389.84

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Solution

The fourth proportional to 51,049.32, 70,445.88 and 28,389.84 is: 39,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,049.32 : 70,445.88 = 28,389.84 : x
  2. Step 2: Convert to fraction form
    51,049.32/70,445.88 = 28,389.84/x
  3. Step 3: Cross multiply
    51,049.32x = 70,445.88 × 28,389.84
  4. Step 4: Simplify right side
    51,049.32x = 1,999,947,261.86
  5. Step 5: Solve for x
    x = 1,999,947,261.86/51,049.32
  6. Step 6: Final answer
    x = 39,176.77

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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.