Home / 30,426.40-45,638.96-14,010.40

Finding the Fourth Proportional to 30,426.40, 45,638.96 and 14,010.40

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Solution

The fourth proportional to 30,426.40, 45,638.96 and 14,010.40 is: 21,015.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,426.40 : 45,638.96 = 14,010.40 : x
  2. Step 2: Convert to fraction form
    30,426.40/45,638.96 = 14,010.40/x
  3. Step 3: Cross multiply
    30,426.40x = 45,638.96 × 14,010.40
  4. Step 4: Simplify right side
    30,426.40x = 639,420,085.18
  5. Step 5: Solve for x
    x = 639,420,085.18/30,426.40
  6. Step 6: Final answer
    x = 21,015.31

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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.