Home / 51,277.31-70,762.70-28,307.15

Finding the Fourth Proportional to 51,277.31, 70,762.70 and 28,307.15

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Solution

The fourth proportional to 51,277.31, 70,762.70 and 28,307.15 is: 39,063.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,277.31 : 70,762.70 = 28,307.15 : x
  2. Step 2: Convert to fraction form
    51,277.31/70,762.70 = 28,307.15/x
  3. Step 3: Cross multiply
    51,277.31x = 70,762.70 × 28,307.15
  4. Step 4: Simplify right side
    51,277.31x = 2,003,090,221.77
  5. Step 5: Solve for x
    x = 2,003,090,221.77/51,277.31
  6. Step 6: Final answer
    x = 39,063.87

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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.