Home / 56,495.10-77,963.01-31,001.89

Finding the Fourth Proportional to 56,495.10, 77,963.01 and 31,001.89

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Solution

The fourth proportional to 56,495.10, 77,963.01 and 31,001.89 is: 42,782.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,495.10 : 77,963.01 = 31,001.89 : x
  2. Step 2: Convert to fraction form
    56,495.10/77,963.01 = 31,001.89/x
  3. Step 3: Cross multiply
    56,495.10x = 77,963.01 × 31,001.89
  4. Step 4: Simplify right side
    56,495.10x = 2,417,000,270.27
  5. Step 5: Solve for x
    x = 2,417,000,270.27/56,495.10
  6. Step 6: Final answer
    x = 42,782.48

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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.