Home / 30,166.12-45,188.72-14,386.48

Finding the Fourth Proportional to 30,166.12, 45,188.72 and 14,386.48

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Solution

The fourth proportional to 30,166.12, 45,188.72 and 14,386.48 is: 21,550.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,166.12 : 45,188.72 = 14,386.48 : x
  2. Step 2: Convert to fraction form
    30,166.12/45,188.72 = 14,386.48/x
  3. Step 3: Cross multiply
    30,166.12x = 45,188.72 × 14,386.48
  4. Step 4: Simplify right side
    30,166.12x = 650,106,616.51
  5. Step 5: Solve for x
    x = 650,106,616.51/30,166.12
  6. Step 6: Final answer
    x = 21,550.89

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1.5x scale

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.