Home / 56,013.76-77,295.36-30,863.26

Finding the Fourth Proportional to 56,013.76, 77,295.36 and 30,863.26

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Solution

The fourth proportional to 56,013.76, 77,295.36 and 30,863.26 is: 42,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,013.76 : 77,295.36 = 30,863.26 : x
  2. Step 2: Convert to fraction form
    56,013.76/77,295.36 = 30,863.26/x
  3. Step 3: Cross multiply
    56,013.76x = 77,295.36 × 30,863.26
  4. Step 4: Simplify right side
    56,013.76x = 2,385,586,792.47
  5. Step 5: Solve for x
    x = 2,385,586,792.47/56,013.76
  6. Step 6: Final answer
    x = 42,589.30

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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.