Home / 30,048.28-45,033.54-14,457.40

Finding the Fourth Proportional to 30,048.28, 45,033.54 and 14,457.40

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Solution

The fourth proportional to 30,048.28, 45,033.54 and 14,457.40 is: 21,667.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,048.28 : 45,033.54 = 14,457.40 : x
  2. Step 2: Convert to fraction form
    30,048.28/45,033.54 = 14,457.40/x
  3. Step 3: Cross multiply
    30,048.28x = 45,033.54 × 14,457.40
  4. Step 4: Simplify right side
    30,048.28x = 651,067,901.20
  5. Step 5: Solve for x
    x = 651,067,901.20/30,048.28
  6. Step 6: Final answer
    x = 21,667.39

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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.