Home / 52,293.16-72,165.12-28,419.84

Finding the Fourth Proportional to 52,293.16, 72,165.12 and 28,419.84

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Solution

The fourth proportional to 52,293.16, 72,165.12 and 28,419.84 is: 39,219.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,293.16 : 72,165.12 = 28,419.84 : x
  2. Step 2: Convert to fraction form
    52,293.16/72,165.12 = 28,419.84/x
  3. Step 3: Cross multiply
    52,293.16x = 72,165.12 × 28,419.84
  4. Step 4: Simplify right side
    52,293.16x = 2,050,921,163.98
  5. Step 5: Solve for x
    x = 2,050,921,163.98/52,293.16
  6. Step 6: Final answer
    x = 39,219.68

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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.