Home / 56,376.64-77,802.30-31,226.08

Finding the Fourth Proportional to 56,376.64, 77,802.30 and 31,226.08

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Solution

The fourth proportional to 56,376.64, 77,802.30 and 31,226.08 is: 43,093.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,376.64 : 77,802.30 = 31,226.08 : x
  2. Step 2: Convert to fraction form
    56,376.64/77,802.30 = 31,226.08/x
  3. Step 3: Cross multiply
    56,376.64x = 77,802.30 × 31,226.08
  4. Step 4: Simplify right side
    56,376.64x = 2,429,460,843.98
  5. Step 5: Solve for x
    x = 2,429,460,843.98/56,376.64
  6. Step 6: Final answer
    x = 43,093.40

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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.