Home / 40,292.83-60,439.25-12,590.83

Finding the Fourth Proportional to 40,292.83, 60,439.25 and 12,590.83

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Solution

The fourth proportional to 40,292.83, 60,439.25 and 12,590.83 is: 18,886.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,292.83 : 60,439.25 = 12,590.83 : x
  2. Step 2: Convert to fraction form
    40,292.83/60,439.25 = 12,590.83/x
  3. Step 3: Cross multiply
    40,292.83x = 60,439.25 × 12,590.83
  4. Step 4: Simplify right side
    40,292.83x = 760,980,322.08
  5. Step 5: Solve for x
    x = 760,980,322.08/40,292.83
  6. Step 6: Final answer
    x = 18,886.25

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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.