Home / 52,017.17-78,007.29-18,728.29

Finding the Fourth Proportional to 52,017.17, 78,007.29 and 18,728.29

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Solution

The fourth proportional to 52,017.17, 78,007.29 and 18,728.29 is: 28,085.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,017.17 : 78,007.29 = 18,728.29 : x
  2. Step 2: Convert to fraction form
    52,017.17/78,007.29 = 18,728.29/x
  3. Step 3: Cross multiply
    52,017.17x = 78,007.29 × 18,728.29
  4. Step 4: Simplify right side
    52,017.17x = 1,460,943,149.23
  5. Step 5: Solve for x
    x = 1,460,943,149.23/52,017.17
  6. Step 6: Final answer
    x = 28,085.79

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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.