Home / 51,314.74-70,814.13-28,958.58

Finding the Fourth Proportional to 51,314.74, 70,814.13 and 28,958.58

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Solution

The fourth proportional to 51,314.74, 70,814.13 and 28,958.58 is: 39,962.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,314.74 : 70,814.13 = 28,958.58 : x
  2. Step 2: Convert to fraction form
    51,314.74/70,814.13 = 28,958.58/x
  3. Step 3: Cross multiply
    51,314.74x = 70,814.13 × 28,958.58
  4. Step 4: Simplify right side
    51,314.74x = 2,050,676,648.74
  5. Step 5: Solve for x
    x = 2,050,676,648.74/51,314.74
  6. Step 6: Final answer
    x = 39,962.72

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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.