Home / 48,700.62-67,215.10-28,279.50

Finding the Fourth Proportional to 48,700.62, 67,215.10 and 28,279.50

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Solution

The fourth proportional to 48,700.62, 67,215.10 and 28,279.50 is: 39,030.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,700.62 : 67,215.10 = 28,279.50 : x
  2. Step 2: Convert to fraction form
    48,700.62/67,215.10 = 28,279.50/x
  3. Step 3: Cross multiply
    48,700.62x = 67,215.10 × 28,279.50
  4. Step 4: Simplify right side
    48,700.62x = 1,900,809,420.45
  5. Step 5: Solve for x
    x = 1,900,809,420.45/48,700.62
  6. Step 6: Final answer
    x = 39,030.50

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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.