Home / 56,816.32-78,407.06-31,323.58

Finding the Fourth Proportional to 56,816.32, 78,407.06 and 31,323.58

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Solution

The fourth proportional to 56,816.32, 78,407.06 and 31,323.58 is: 43,226.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,816.32 : 78,407.06 = 31,323.58 : x
  2. Step 2: Convert to fraction form
    56,816.32/78,407.06 = 31,323.58/x
  3. Step 3: Cross multiply
    56,816.32x = 78,407.06 × 31,323.58
  4. Step 4: Simplify right side
    56,816.32x = 2,455,989,463.84
  5. Step 5: Solve for x
    x = 2,455,989,463.84/56,816.32
  6. Step 6: Final answer
    x = 43,226.83

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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.