Home / 52,015.79-78,005.23-18,726.92

Finding the Fourth Proportional to 52,015.79, 78,005.23 and 18,726.92

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Solution

The fourth proportional to 52,015.79, 78,005.23 and 18,726.92 is: 28,083.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,015.79 : 78,005.23 = 18,726.92 : x
  2. Step 2: Convert to fraction form
    52,015.79/78,005.23 = 18,726.92/x
  3. Step 3: Cross multiply
    52,015.79x = 78,005.23 × 18,726.92
  4. Step 4: Simplify right side
    52,015.79x = 1,460,797,701.79
  5. Step 5: Solve for x
    x = 1,460,797,701.79/52,015.79
  6. Step 6: Final answer
    x = 28,083.74

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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.