Home / 51,800.40-71,483.81-28,830.07

Finding the Fourth Proportional to 51,800.40, 71,483.81 and 28,830.07

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Solution

The fourth proportional to 51,800.40, 71,483.81 and 28,830.07 is: 39,785.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,800.40 : 71,483.81 = 28,830.07 : x
  2. Step 2: Convert to fraction form
    51,800.40/71,483.81 = 28,830.07/x
  3. Step 3: Cross multiply
    51,800.40x = 71,483.81 × 28,830.07
  4. Step 4: Simplify right side
    51,800.40x = 2,060,882,744.60
  5. Step 5: Solve for x
    x = 2,060,882,744.60/51,800.40
  6. Step 6: Final answer
    x = 39,785.08

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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.