Home / 56,390.96-84,588.48-18,952.28

Finding the Fourth Proportional to 56,390.96, 84,588.48 and 18,952.28

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Solution

The fourth proportional to 56,390.96, 84,588.48 and 18,952.28 is: 28,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,390.96 : 84,588.48 = 18,952.28 : x
  2. Step 2: Convert to fraction form
    56,390.96/84,588.48 = 18,952.28/x
  3. Step 3: Cross multiply
    56,390.96x = 84,588.48 × 18,952.28
  4. Step 4: Simplify right side
    56,390.96x = 1,603,144,134.79
  5. Step 5: Solve for x
    x = 1,603,144,134.79/56,390.96
  6. Step 6: Final answer
    x = 28,429.10

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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.