Home / 51,943.75-71,682.40-28,070.38

Finding the Fourth Proportional to 51,943.75, 71,682.40 and 28,070.38

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Solution

The fourth proportional to 51,943.75, 71,682.40 and 28,070.38 is: 38,737.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,943.75 : 71,682.40 = 28,070.38 : x
  2. Step 2: Convert to fraction form
    51,943.75/71,682.40 = 28,070.38/x
  3. Step 3: Cross multiply
    51,943.75x = 71,682.40 × 28,070.38
  4. Step 4: Simplify right side
    51,943.75x = 2,012,152,332.00
  5. Step 5: Solve for x
    x = 2,012,152,332.00/51,943.75
  6. Step 6: Final answer
    x = 38,737.14

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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.