Home / 52,817.20-72,886.50-30,155.65

Finding the Fourth Proportional to 52,817.20, 72,886.50 and 30,155.65

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Solution

The fourth proportional to 52,817.20, 72,886.50 and 30,155.65 is: 41,614.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,817.20 : 72,886.50 = 30,155.65 : x
  2. Step 2: Convert to fraction form
    52,817.20/72,886.50 = 30,155.65/x
  3. Step 3: Cross multiply
    52,817.20x = 72,886.50 × 30,155.65
  4. Step 4: Simplify right side
    52,817.20x = 2,197,939,601.51
  5. Step 5: Solve for x
    x = 2,197,939,601.51/52,817.20
  6. Step 6: Final answer
    x = 41,614.09

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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.