Home / 31,036.52-46,534.75-13,278.77

Finding the Fourth Proportional to 31,036.52, 46,534.75 and 13,278.77

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Solution

The fourth proportional to 31,036.52, 46,534.75 and 13,278.77 is: 19,909.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,036.52 : 46,534.75 = 13,278.77 : x
  2. Step 2: Convert to fraction form
    31,036.52/46,534.75 = 13,278.77/x
  3. Step 3: Cross multiply
    31,036.52x = 46,534.75 × 13,278.77
  4. Step 4: Simplify right side
    31,036.52x = 617,924,225.59
  5. Step 5: Solve for x
    x = 617,924,225.59/31,036.52
  6. Step 6: Final answer
    x = 19,909.58

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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.