Home / 43,332.48-64,985.76-15,624

Finding the Fourth Proportional to 43,332.48, 64,985.76 and 15,624

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Solution

The fourth proportional to 43,332.48, 64,985.76 and 15,624 is: 23,431.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,332.48 : 64,985.76 = 15,624 : x
  2. Step 2: Convert to fraction form
    43,332.48/64,985.76 = 15,624/x
  3. Step 3: Cross multiply
    43,332.48x = 64,985.76 × 15,624
  4. Step 4: Simplify right side
    43,332.48x = 1,015,337,514.24
  5. Step 5: Solve for x
    x = 1,015,337,514.24/43,332.48
  6. Step 6: Final answer
    x = 23,431.33

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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.