Home / 56,057.77-84,068.38-18,607.79

Finding the Fourth Proportional to 56,057.77, 84,068.38 and 18,607.79

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Solution

The fourth proportional to 56,057.77, 84,068.38 and 18,607.79 is: 27,905.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,057.77 : 84,068.38 = 18,607.79 : x
  2. Step 2: Convert to fraction form
    56,057.77/84,068.38 = 18,607.79/x
  3. Step 3: Cross multiply
    56,057.77x = 84,068.38 × 18,607.79
  4. Step 4: Simplify right side
    56,057.77x = 1,564,326,994.11
  5. Step 5: Solve for x
    x = 1,564,326,994.11/56,057.77
  6. Step 6: Final answer
    x = 27,905.62

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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.