Home / 30,300.17-45,457.13-9,242.09

Finding the Fourth Proportional to 30,300.17, 45,457.13 and 9,242.09

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Solution

The fourth proportional to 30,300.17, 45,457.13 and 9,242.09 is: 13,865.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,300.17 : 45,457.13 = 9,242.09 : x
  2. Step 2: Convert to fraction form
    30,300.17/45,457.13 = 9,242.09/x
  3. Step 3: Cross multiply
    30,300.17x = 45,457.13 × 9,242.09
  4. Step 4: Simplify right side
    30,300.17x = 420,118,852.89
  5. Step 5: Solve for x
    x = 420,118,852.89/30,300.17
  6. Step 6: Final answer
    x = 13,865.23

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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.