Home / 40,421.59-55,779.93-22,516.42

Finding the Fourth Proportional to 40,421.59, 55,779.93 and 22,516.42

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Solution

The fourth proportional to 40,421.59, 55,779.93 and 22,516.42 is: 31,071.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421.59 : 55,779.93 = 22,516.42 : x
  2. Step 2: Convert to fraction form
    40,421.59/55,779.93 = 22,516.42/x
  3. Step 3: Cross multiply
    40,421.59x = 55,779.93 × 22,516.42
  4. Step 4: Simplify right side
    40,421.59x = 1,255,964,331.45
  5. Step 5: Solve for x
    x = 1,255,964,331.45/40,421.59
  6. Step 6: Final answer
    x = 31,071.62

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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.