Home / 51,376.14-70,889.85-28,715.58

Finding the Fourth Proportional to 51,376.14, 70,889.85 and 28,715.58

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Solution

The fourth proportional to 51,376.14, 70,889.85 and 28,715.58 is: 39,622.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,376.14 : 70,889.85 = 28,715.58 : x
  2. Step 2: Convert to fraction form
    51,376.14/70,889.85 = 28,715.58/x
  3. Step 3: Cross multiply
    51,376.14x = 70,889.85 × 28,715.58
  4. Step 4: Simplify right side
    51,376.14x = 2,035,643,158.86
  5. Step 5: Solve for x
    x = 2,035,643,158.86/51,376.14
  6. Step 6: Final answer
    x = 39,622.35

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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.