Home / 56,004.30-77,285.91-30,853.80

Finding the Fourth Proportional to 56,004.30, 77,285.91 and 30,853.80

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Solution

The fourth proportional to 56,004.30, 77,285.91 and 30,853.80 is: 42,578.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,004.30 : 77,285.91 = 30,853.80 : x
  2. Step 2: Convert to fraction form
    56,004.30/77,285.91 = 30,853.80/x
  3. Step 3: Cross multiply
    56,004.30x = 77,285.91 × 30,853.80
  4. Step 4: Simplify right side
    56,004.30x = 2,384,564,009.96
  5. Step 5: Solve for x
    x = 2,384,564,009.96/56,004.30
  6. Step 6: Final answer
    x = 42,578.23

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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.