Home / 52,378.34-72,282.11-28,504.49

Finding the Fourth Proportional to 52,378.34, 72,282.11 and 28,504.49

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Solution

The fourth proportional to 52,378.34, 72,282.11 and 28,504.49 is: 39,336.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,378.34 : 72,282.11 = 28,504.49 : x
  2. Step 2: Convert to fraction form
    52,378.34/72,282.11 = 28,504.49/x
  3. Step 3: Cross multiply
    52,378.34x = 72,282.11 × 28,504.49
  4. Step 4: Simplify right side
    52,378.34x = 2,060,364,177.74
  5. Step 5: Solve for x
    x = 2,060,364,177.74/52,378.34
  6. Step 6: Final answer
    x = 39,336.19

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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.