Home / 56,752.64-78,307.68-31,602.08

Finding the Fourth Proportional to 56,752.64, 78,307.68 and 31,602.08

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Solution

The fourth proportional to 56,752.64, 78,307.68 and 31,602.08 is: 43,604.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,752.64 : 78,307.68 = 31,602.08 : x
  2. Step 2: Convert to fraction form
    56,752.64/78,307.68 = 31,602.08/x
  3. Step 3: Cross multiply
    56,752.64x = 78,307.68 × 31,602.08
  4. Step 4: Simplify right side
    56,752.64x = 2,474,685,567.97
  5. Step 5: Solve for x
    x = 2,474,685,567.97/56,752.64
  6. Step 6: Final answer
    x = 43,604.77

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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.