Home / 52,865.20-72,912.20-46,821.76

Finding the Fourth Proportional to 52,865.20, 72,912.20 and 46,821.76

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Solution

The fourth proportional to 52,865.20, 72,912.20 and 46,821.76 is: 64,577.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,865.20 : 72,912.20 = 46,821.76 : x
  2. Step 2: Convert to fraction form
    52,865.20/72,912.20 = 46,821.76/x
  3. Step 3: Cross multiply
    52,865.20x = 72,912.20 × 46,821.76
  4. Step 4: Simplify right side
    52,865.20x = 3,413,877,529.47
  5. Step 5: Solve for x
    x = 3,413,877,529.47/52,865.20
  6. Step 6: Final answer
    x = 64,577.03

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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.