Home / 52,053.51-78,032.37-18,765.42

Finding the Fourth Proportional to 52,053.51, 78,032.37 and 18,765.42

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Solution

The fourth proportional to 52,053.51, 78,032.37 and 18,765.42 is: 28,130.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,053.51 : 78,032.37 = 18,765.42 : x
  2. Step 2: Convert to fraction form
    52,053.51/78,032.37 = 18,765.42/x
  3. Step 3: Cross multiply
    52,053.51x = 78,032.37 × 18,765.42
  4. Step 4: Simplify right side
    52,053.51x = 1,464,310,196.65
  5. Step 5: Solve for x
    x = 1,464,310,196.65/52,053.51
  6. Step 6: Final answer
    x = 28,130.86

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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.