Home / 30,270.15-45,405.36-10,548.68

Finding the Fourth Proportional to 30,270.15, 45,405.36 and 10,548.68

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Solution

The fourth proportional to 30,270.15, 45,405.36 and 10,548.68 is: 15,823.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,270.15 : 45,405.36 = 10,548.68 : x
  2. Step 2: Convert to fraction form
    30,270.15/45,405.36 = 10,548.68/x
  3. Step 3: Cross multiply
    30,270.15x = 45,405.36 × 10,548.68
  4. Step 4: Simplify right side
    30,270.15x = 478,966,385.90
  5. Step 5: Solve for x
    x = 478,966,385.90/30,270.15
  6. Step 6: Final answer
    x = 15,823.06

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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.