Home / 34,988.04-48,279.24-19,880.64

Finding the Fourth Proportional to 34,988.04, 48,279.24 and 19,880.64

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Solution

The fourth proportional to 34,988.04, 48,279.24 and 19,880.64 is: 27,432.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,988.04 : 48,279.24 = 19,880.64 : x
  2. Step 2: Convert to fraction form
    34,988.04/48,279.24 = 19,880.64/x
  3. Step 3: Cross multiply
    34,988.04x = 48,279.24 × 19,880.64
  4. Step 4: Simplify right side
    34,988.04x = 959,822,189.91
  5. Step 5: Solve for x
    x = 959,822,189.91/34,988.04
  6. Step 6: Final answer
    x = 27,432.87

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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.