Home / 52,274.95-72,139.50-28,401.62

Finding the Fourth Proportional to 52,274.95, 72,139.50 and 28,401.62

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Solution

The fourth proportional to 52,274.95, 72,139.50 and 28,401.62 is: 39,194.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,274.95 : 72,139.50 = 28,401.62 : x
  2. Step 2: Convert to fraction form
    52,274.95/72,139.50 = 28,401.62/x
  3. Step 3: Cross multiply
    52,274.95x = 72,139.50 × 28,401.62
  4. Step 4: Simplify right side
    52,274.95x = 2,048,878,305.29
  5. Step 5: Solve for x
    x = 2,048,878,305.29/52,274.95
  6. Step 6: Final answer
    x = 39,194.27

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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.