Home / 52,189.50-72,019.41-28,315.26

Finding the Fourth Proportional to 52,189.50, 72,019.41 and 28,315.26

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Solution

The fourth proportional to 52,189.50, 72,019.41 and 28,315.26 is: 39,073.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,189.50 : 72,019.41 = 28,315.26 : x
  2. Step 2: Convert to fraction form
    52,189.50/72,019.41 = 28,315.26/x
  3. Step 3: Cross multiply
    52,189.50x = 72,019.41 × 28,315.26
  4. Step 4: Simplify right side
    52,189.50x = 2,039,248,319.20
  5. Step 5: Solve for x
    x = 2,039,248,319.20/52,189.50
  6. Step 6: Final answer
    x = 39,073.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.