Home / 52,421.45-78,649.92-22,858.65

Finding the Fourth Proportional to 52,421.45, 78,649.92 and 22,858.65

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Solution

The fourth proportional to 52,421.45, 78,649.92 and 22,858.65 is: 34,295.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,421.45 : 78,649.92 = 22,858.65 : x
  2. Step 2: Convert to fraction form
    52,421.45/78,649.92 = 22,858.65/x
  3. Step 3: Cross multiply
    52,421.45x = 78,649.92 × 22,858.65
  4. Step 4: Simplify right side
    52,421.45x = 1,797,830,993.81
  5. Step 5: Solve for x
    x = 1,797,830,993.81/52,421.45
  6. Step 6: Final answer
    x = 34,295.72

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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.