Home / 39,430.29-59,153.94-11,350.16

Finding the Fourth Proportional to 39,430.29, 59,153.94 and 11,350.16

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Solution

The fourth proportional to 39,430.29, 59,153.94 and 11,350.16 is: 17,027.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,430.29 : 59,153.94 = 11,350.16 : x
  2. Step 2: Convert to fraction form
    39,430.29/59,153.94 = 11,350.16/x
  3. Step 3: Cross multiply
    39,430.29x = 59,153.94 × 11,350.16
  4. Step 4: Simplify right side
    39,430.29x = 671,406,387.86
  5. Step 5: Solve for x
    x = 671,406,387.86/39,430.29
  6. Step 6: Final answer
    x = 17,027.68

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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.