Home / 56,149.45-77,482.92-30,650.74

Finding the Fourth Proportional to 56,149.45, 77,482.92 and 30,650.74

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Solution

The fourth proportional to 56,149.45, 77,482.92 and 30,650.74 is: 42,296.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,149.45 : 77,482.92 = 30,650.74 : x
  2. Step 2: Convert to fraction form
    56,149.45/77,482.92 = 30,650.74/x
  3. Step 3: Cross multiply
    56,149.45x = 77,482.92 × 30,650.74
  4. Step 4: Simplify right side
    56,149.45x = 2,374,908,835.36
  5. Step 5: Solve for x
    x = 2,374,908,835.36/56,149.45
  6. Step 6: Final answer
    x = 42,296.21

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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.