Home / 56,029.63-77,319.89-30,535.84

Finding the Fourth Proportional to 56,029.63, 77,319.89 and 30,535.84

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Solution

The fourth proportional to 56,029.63, 77,319.89 and 30,535.84 is: 42,138.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,029.63 : 77,319.89 = 30,535.84 : x
  2. Step 2: Convert to fraction form
    56,029.63/77,319.89 = 30,535.84/x
  3. Step 3: Cross multiply
    56,029.63x = 77,319.89 × 30,535.84
  4. Step 4: Simplify right side
    56,029.63x = 2,361,027,789.86
  5. Step 5: Solve for x
    x = 2,361,027,789.86/56,029.63
  6. Step 6: Final answer
    x = 42,138.91

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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.