Home / 51,066.61-76,582.90-21,478.93

Finding the Fourth Proportional to 51,066.61, 76,582.90 and 21,478.93

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Solution

The fourth proportional to 51,066.61, 76,582.90 and 21,478.93 is: 32,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,066.61 : 76,582.90 = 21,478.93 : x
  2. Step 2: Convert to fraction form
    51,066.61/76,582.90 = 21,478.93/x
  3. Step 3: Cross multiply
    51,066.61x = 76,582.90 × 21,478.93
  4. Step 4: Simplify right side
    51,066.61x = 1,644,918,748.30
  5. Step 5: Solve for x
    x = 1,644,918,748.30/51,066.61
  6. Step 6: Final answer
    x = 32,211.24

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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.