Home / 52,016.79-78,006.73-18,727.92

Finding the Fourth Proportional to 52,016.79, 78,006.73 and 18,727.92

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Solution

The fourth proportional to 52,016.79, 78,006.73 and 18,727.92 is: 28,085.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,016.79 : 78,006.73 = 18,727.92 : x
  2. Step 2: Convert to fraction form
    52,016.79/78,006.73 = 18,727.92/x
  3. Step 3: Cross multiply
    52,016.79x = 78,006.73 × 18,727.92
  4. Step 4: Simplify right side
    52,016.79x = 1,460,903,798.90
  5. Step 5: Solve for x
    x = 1,460,903,798.90/52,016.79
  6. Step 6: Final answer
    x = 28,085.24

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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.