Home / 62,870.63-94,317.61-20,753.65

Finding the Fourth Proportional to 62,870.63, 94,317.61 and 20,753.65

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Solution

The fourth proportional to 62,870.63, 94,317.61 and 20,753.65 is: 31,134.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,870.63 : 94,317.61 = 20,753.65 : x
  2. Step 2: Convert to fraction form
    62,870.63/94,317.61 = 20,753.65/x
  3. Step 3: Cross multiply
    62,870.63x = 94,317.61 × 20,753.65
  4. Step 4: Simplify right side
    62,870.63x = 1,957,434,379.10
  5. Step 5: Solve for x
    x = 1,957,434,379.10/62,870.63
  6. Step 6: Final answer
    x = 31,134.32

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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.