Home / 56,817.64-78,400.74-34,457.32

Finding the Fourth Proportional to 56,817.64, 78,400.74 and 34,457.32

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Solution

The fourth proportional to 56,817.64, 78,400.74 and 34,457.32 is: 47,546.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,817.64 : 78,400.74 = 34,457.32 : x
  2. Step 2: Convert to fraction form
    56,817.64/78,400.74 = 34,457.32/x
  3. Step 3: Cross multiply
    56,817.64x = 78,400.74 × 34,457.32
  4. Step 4: Simplify right side
    56,817.64x = 2,701,479,386.42
  5. Step 5: Solve for x
    x = 2,701,479,386.42/56,817.64
  6. Step 6: Final answer
    x = 47,546.49

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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.