Home / 40,555.52-56,005.11-38,346.65

Finding the Fourth Proportional to 40,555.52, 56,005.11 and 38,346.65

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Solution

The fourth proportional to 40,555.52, 56,005.11 and 38,346.65 is: 52,954.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,555.52 : 56,005.11 = 38,346.65 : x
  2. Step 2: Convert to fraction form
    40,555.52/56,005.11 = 38,346.65/x
  3. Step 3: Cross multiply
    40,555.52x = 56,005.11 × 38,346.65
  4. Step 4: Simplify right side
    40,555.52x = 2,147,608,071.36
  5. Step 5: Solve for x
    x = 2,147,608,071.36/40,555.52
  6. Step 6: Final answer
    x = 52,954.77

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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.