Home / 30,771.81-46,159.54-9,712.52

Finding the Fourth Proportional to 30,771.81, 46,159.54 and 9,712.52

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Solution

The fourth proportional to 30,771.81, 46,159.54 and 9,712.52 is: 14,569.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,771.81 : 46,159.54 = 9,712.52 : x
  2. Step 2: Convert to fraction form
    30,771.81/46,159.54 = 9,712.52/x
  3. Step 3: Cross multiply
    30,771.81x = 46,159.54 × 9,712.52
  4. Step 4: Simplify right side
    30,771.81x = 448,325,373.46
  5. Step 5: Solve for x
    x = 448,325,373.46/30,771.81
  6. Step 6: Final answer
    x = 14,569.35

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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.