Home / 52,391.84-72,302.37-28,520.11

Finding the Fourth Proportional to 52,391.84, 72,302.37 and 28,520.11

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Solution

The fourth proportional to 52,391.84, 72,302.37 and 28,520.11 is: 39,358.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,391.84 : 72,302.37 = 28,520.11 : x
  2. Step 2: Convert to fraction form
    52,391.84/72,302.37 = 28,520.11/x
  3. Step 3: Cross multiply
    52,391.84x = 72,302.37 × 28,520.11
  4. Step 4: Simplify right side
    52,391.84x = 2,062,071,184.15
  5. Step 5: Solve for x
    x = 2,062,071,184.15/52,391.84
  6. Step 6: Final answer
    x = 39,358.63

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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.