Home / 45,395.30-62,628.32-28,159.70

Finding the Fourth Proportional to 45,395.30, 62,628.32 and 28,159.70

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Solution

The fourth proportional to 45,395.30, 62,628.32 and 28,159.70 is: 38,849.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,395.30 : 62,628.32 = 28,159.70 : x
  2. Step 2: Convert to fraction form
    45,395.30/62,628.32 = 28,159.70/x
  3. Step 3: Cross multiply
    45,395.30x = 62,628.32 × 28,159.70
  4. Step 4: Simplify right side
    45,395.30x = 1,763,594,702.70
  5. Step 5: Solve for x
    x = 1,763,594,702.70/45,395.30
  6. Step 6: Final answer
    x = 38,849.72

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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.