Home / 30,246.90-45,332.01-12,696.36

Finding the Fourth Proportional to 30,246.90, 45,332.01 and 12,696.36

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Solution

The fourth proportional to 30,246.90, 45,332.01 and 12,696.36 is: 19,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246.90 : 45,332.01 = 12,696.36 : x
  2. Step 2: Convert to fraction form
    30,246.90/45,332.01 = 12,696.36/x
  3. Step 3: Cross multiply
    30,246.90x = 45,332.01 × 12,696.36
  4. Step 4: Simplify right side
    30,246.90x = 575,551,518.48
  5. Step 5: Solve for x
    x = 575,551,518.48/30,246.90
  6. Step 6: Final answer
    x = 19,028.45

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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.