Home / 45,430.26-68,145.40-14,265.50

Finding the Fourth Proportional to 45,430.26, 68,145.40 and 14,265.50

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Solution

The fourth proportional to 45,430.26, 68,145.40 and 14,265.50 is: 21,398.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,430.26 : 68,145.40 = 14,265.50 : x
  2. Step 2: Convert to fraction form
    45,430.26/68,145.40 = 14,265.50/x
  3. Step 3: Cross multiply
    45,430.26x = 68,145.40 × 14,265.50
  4. Step 4: Simplify right side
    45,430.26x = 972,128,203.70
  5. Step 5: Solve for x
    x = 972,128,203.70/45,430.26
  6. Step 6: Final answer
    x = 21,398.25

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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.