Home / 56,617.79-84,878.08-31,637.39

Finding the Fourth Proportional to 56,617.79, 84,878.08 and 31,637.39

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Solution

The fourth proportional to 56,617.79, 84,878.08 and 31,637.39 is: 47,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,617.79 : 84,878.08 = 31,637.39 : x
  2. Step 2: Convert to fraction form
    56,617.79/84,878.08 = 31,637.39/x
  3. Step 3: Cross multiply
    56,617.79x = 84,878.08 × 31,637.39
  4. Step 4: Simplify right side
    56,617.79x = 2,685,320,415.93
  5. Step 5: Solve for x
    x = 2,685,320,415.93/56,617.79
  6. Step 6: Final answer
    x = 47,428.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.