Home / 48,526.84-66,989.68-28,380.94

Finding the Fourth Proportional to 48,526.84, 66,989.68 and 28,380.94

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Solution

The fourth proportional to 48,526.84, 66,989.68 and 28,380.94 is: 39,178.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,526.84 : 66,989.68 = 28,380.94 : x
  2. Step 2: Convert to fraction form
    48,526.84/66,989.68 = 28,380.94/x
  3. Step 3: Cross multiply
    48,526.84x = 66,989.68 × 28,380.94
  4. Step 4: Simplify right side
    48,526.84x = 1,901,230,088.70
  5. Step 5: Solve for x
    x = 1,901,230,088.70/48,526.84
  6. Step 6: Final answer
    x = 39,178.94

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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.