Home / 51,151.74-70,570.29-51,072.90

Finding the Fourth Proportional to 51,151.74, 70,570.29 and 51,072.90

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Solution

The fourth proportional to 51,151.74, 70,570.29 and 51,072.90 is: 70,461.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,151.74 : 70,570.29 = 51,072.90 : x
  2. Step 2: Convert to fraction form
    51,151.74/70,570.29 = 51,072.90/x
  3. Step 3: Cross multiply
    51,151.74x = 70,570.29 × 51,072.90
  4. Step 4: Simplify right side
    51,151.74x = 3,604,229,364.14
  5. Step 5: Solve for x
    x = 3,604,229,364.14/51,151.74
  6. Step 6: Final answer
    x = 70,461.52

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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.