Home / 53,590.88-73,938.40-30,926.88

Finding the Fourth Proportional to 53,590.88, 73,938.40 and 30,926.88

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Solution

The fourth proportional to 53,590.88, 73,938.40 and 30,926.88 is: 42,669.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,590.88 : 73,938.40 = 30,926.88 : x
  2. Step 2: Convert to fraction form
    53,590.88/73,938.40 = 30,926.88/x
  3. Step 3: Cross multiply
    53,590.88x = 73,938.40 × 30,926.88
  4. Step 4: Simplify right side
    53,590.88x = 2,286,683,946.87
  5. Step 5: Solve for x
    x = 2,286,683,946.87/53,590.88
  6. Step 6: Final answer
    x = 42,669.27

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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.