Home / 52,305.25-78,457.18-12,862.70

Finding the Fourth Proportional to 52,305.25, 78,457.18 and 12,862.70

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Solution

The fourth proportional to 52,305.25, 78,457.18 and 12,862.70 is: 19,293.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,305.25 : 78,457.18 = 12,862.70 : x
  2. Step 2: Convert to fraction form
    52,305.25/78,457.18 = 12,862.70/x
  3. Step 3: Cross multiply
    52,305.25x = 78,457.18 × 12,862.70
  4. Step 4: Simplify right side
    52,305.25x = 1,009,171,169.19
  5. Step 5: Solve for x
    x = 1,009,171,169.19/52,305.25
  6. Step 6: Final answer
    x = 19,293.88

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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.