Home / 36,043.62-53,990.08-28,985.55

Finding the Fourth Proportional to 36,043.62, 53,990.08 and 28,985.55

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Solution

The fourth proportional to 36,043.62, 53,990.08 and 28,985.55 is: 43,417.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,043.62 : 53,990.08 = 28,985.55 : x
  2. Step 2: Convert to fraction form
    36,043.62/53,990.08 = 28,985.55/x
  3. Step 3: Cross multiply
    36,043.62x = 53,990.08 × 28,985.55
  4. Step 4: Simplify right side
    36,043.62x = 1,564,931,888.42
  5. Step 5: Solve for x
    x = 1,564,931,888.42/36,043.62
  6. Step 6: Final answer
    x = 43,417.73

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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.