Home / 63,482.08-87,645.12-40,860.38

Finding the Fourth Proportional to 63,482.08, 87,645.12 and 40,860.38

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Solution

The fourth proportional to 63,482.08, 87,645.12 and 40,860.38 is: 56,412.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,482.08 : 87,645.12 = 40,860.38 : x
  2. Step 2: Convert to fraction form
    63,482.08/87,645.12 = 40,860.38/x
  3. Step 3: Cross multiply
    63,482.08x = 87,645.12 × 40,860.38
  4. Step 4: Simplify right side
    63,482.08x = 3,581,212,908.35
  5. Step 5: Solve for x
    x = 3,581,212,908.35/63,482.08
  6. Step 6: Final answer
    x = 56,412.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.