Home / 56,976.04-78,631.52-31,484.64

Finding the Fourth Proportional to 56,976.04, 78,631.52 and 31,484.64

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Solution

The fourth proportional to 56,976.04, 78,631.52 and 31,484.64 is: 43,451.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,976.04 : 78,631.52 = 31,484.64 : x
  2. Step 2: Convert to fraction form
    56,976.04/78,631.52 = 31,484.64/x
  3. Step 3: Cross multiply
    56,976.04x = 78,631.52 × 31,484.64
  4. Step 4: Simplify right side
    56,976.04x = 2,475,685,099.85
  5. Step 5: Solve for x
    x = 2,475,685,099.85/56,976.04
  6. Step 6: Final answer
    x = 43,451.34

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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.