Home / 56,043.48-84,065.06-18,606.38

Finding the Fourth Proportional to 56,043.48, 84,065.06 and 18,606.38

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Solution

The fourth proportional to 56,043.48, 84,065.06 and 18,606.38 is: 27,909.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,043.48 : 84,065.06 = 18,606.38 : x
  2. Step 2: Convert to fraction form
    56,043.48/84,065.06 = 18,606.38/x
  3. Step 3: Cross multiply
    56,043.48x = 84,065.06 × 18,606.38
  4. Step 4: Simplify right side
    56,043.48x = 1,564,146,451.08
  5. Step 5: Solve for x
    x = 1,564,146,451.08/56,043.48
  6. Step 6: Final answer
    x = 27,909.52

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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.