Home / 56,011.34-77,295.40-30,517.64

Finding the Fourth Proportional to 56,011.34, 77,295.40 and 30,517.64

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Solution

The fourth proportional to 56,011.34, 77,295.40 and 30,517.64 is: 42,114.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,011.34 : 77,295.40 = 30,517.64 : x
  2. Step 2: Convert to fraction form
    56,011.34/77,295.40 = 30,517.64/x
  3. Step 3: Cross multiply
    56,011.34x = 77,295.40 × 30,517.64
  4. Step 4: Simplify right side
    56,011.34x = 2,358,873,190.86
  5. Step 5: Solve for x
    x = 2,358,873,190.86/56,011.34
  6. Step 6: Final answer
    x = 42,114.21

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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.