Home / 42,379.65-63,567.42-15,730.83

Finding the Fourth Proportional to 42,379.65, 63,567.42 and 15,730.83

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Solution

The fourth proportional to 42,379.65, 63,567.42 and 15,730.83 is: 23,595.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,379.65 : 63,567.42 = 15,730.83 : x
  2. Step 2: Convert to fraction form
    42,379.65/63,567.42 = 15,730.83/x
  3. Step 3: Cross multiply
    42,379.65x = 63,567.42 × 15,730.83
  4. Step 4: Simplify right side
    42,379.65x = 999,968,238.23
  5. Step 5: Solve for x
    x = 999,968,238.23/42,379.65
  6. Step 6: Final answer
    x = 23,595.48

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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.