Home / 30,053.13-45,080.30-9,276.63

Finding the Fourth Proportional to 30,053.13, 45,080.30 and 9,276.63

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Solution

The fourth proportional to 30,053.13, 45,080.30 and 9,276.63 is: 13,915.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,053.13 : 45,080.30 = 9,276.63 : x
  2. Step 2: Convert to fraction form
    30,053.13/45,080.30 = 9,276.63/x
  3. Step 3: Cross multiply
    30,053.13x = 45,080.30 × 9,276.63
  4. Step 4: Simplify right side
    30,053.13x = 418,193,263.39
  5. Step 5: Solve for x
    x = 418,193,263.39/30,053.13
  6. Step 6: Final answer
    x = 13,915.13

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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.