Home / 51,316.74-70,816.89-28,960.58

Finding the Fourth Proportional to 51,316.74, 70,816.89 and 28,960.58

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Solution

The fourth proportional to 51,316.74, 70,816.89 and 28,960.58 is: 39,965.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,316.74 : 70,816.89 = 28,960.58 : x
  2. Step 2: Convert to fraction form
    51,316.74/70,816.89 = 28,960.58/x
  3. Step 3: Cross multiply
    51,316.74x = 70,816.89 × 28,960.58
  4. Step 4: Simplify right side
    51,316.74x = 2,050,898,208.20
  5. Step 5: Solve for x
    x = 2,050,898,208.20/51,316.74
  6. Step 6: Final answer
    x = 39,965.48

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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.