Home / 52,434.95-78,635.10-20,852.84

Finding the Fourth Proportional to 52,434.95, 78,635.10 and 20,852.84

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Solution

The fourth proportional to 52,434.95, 78,635.10 and 20,852.84 is: 31,272.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,434.95 : 78,635.10 = 20,852.84 : x
  2. Step 2: Convert to fraction form
    52,434.95/78,635.10 = 20,852.84/x
  3. Step 3: Cross multiply
    52,434.95x = 78,635.10 × 20,852.84
  4. Step 4: Simplify right side
    52,434.95x = 1,639,765,433.47
  5. Step 5: Solve for x
    x = 1,639,765,433.47/52,434.95
  6. Step 6: Final answer
    x = 31,272.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.