Home / 56,087.78-84,113.45-18,637.79

Finding the Fourth Proportional to 56,087.78, 84,113.45 and 18,637.79

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Solution

The fourth proportional to 56,087.78, 84,113.45 and 18,637.79 is: 27,950.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,087.78 : 84,113.45 = 18,637.79 : x
  2. Step 2: Convert to fraction form
    56,087.78/84,113.45 = 18,637.79/x
  3. Step 3: Cross multiply
    56,087.78x = 84,113.45 × 18,637.79
  4. Step 4: Simplify right side
    56,087.78x = 1,567,688,817.28
  5. Step 5: Solve for x
    x = 1,567,688,817.28/56,087.78
  6. Step 6: Final answer
    x = 27,950.63

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1.5x scale

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.