Home / 52,648.15-78,949.18-15,703.51

Finding the Fourth Proportional to 52,648.15, 78,949.18 and 15,703.51

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Solution

The fourth proportional to 52,648.15, 78,949.18 and 15,703.51 is: 23,548.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,648.15 : 78,949.18 = 15,703.51 : x
  2. Step 2: Convert to fraction form
    52,648.15/78,949.18 = 15,703.51/x
  3. Step 3: Cross multiply
    52,648.15x = 78,949.18 × 15,703.51
  4. Step 4: Simplify right side
    52,648.15x = 1,239,779,237.62
  5. Step 5: Solve for x
    x = 1,239,779,237.62/52,648.15
  6. Step 6: Final answer
    x = 23,548.39

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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.