Home / 51,332.45-70,838.01-28,671.84

Finding the Fourth Proportional to 51,332.45, 70,838.01 and 28,671.84

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Solution

The fourth proportional to 51,332.45, 70,838.01 and 28,671.84 is: 39,566.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,332.45 : 70,838.01 = 28,671.84 : x
  2. Step 2: Convert to fraction form
    51,332.45/70,838.01 = 28,671.84/x
  3. Step 3: Cross multiply
    51,332.45x = 70,838.01 × 28,671.84
  4. Step 4: Simplify right side
    51,332.45x = 2,031,056,088.64
  5. Step 5: Solve for x
    x = 2,031,056,088.64/51,332.45
  6. Step 6: Final answer
    x = 39,566.71

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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.