Home / 52,280.65-72,148.37-28,408.87

Finding the Fourth Proportional to 52,280.65, 72,148.37 and 28,408.87

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Solution

The fourth proportional to 52,280.65, 72,148.37 and 28,408.87 is: 39,204.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,280.65 : 72,148.37 = 28,408.87 : x
  2. Step 2: Convert to fraction form
    52,280.65/72,148.37 = 28,408.87/x
  3. Step 3: Cross multiply
    52,280.65x = 72,148.37 × 28,408.87
  4. Step 4: Simplify right side
    52,280.65x = 2,049,653,664.04
  5. Step 5: Solve for x
    x = 2,049,653,664.04/52,280.65
  6. Step 6: Final answer
    x = 39,204.82

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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.