Home / 30,186.04-45,268.80-10,459.99

Finding the Fourth Proportional to 30,186.04, 45,268.80 and 10,459.99

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Solution

The fourth proportional to 30,186.04, 45,268.80 and 10,459.99 is: 15,686.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,186.04 : 45,268.80 = 10,459.99 : x
  2. Step 2: Convert to fraction form
    30,186.04/45,268.80 = 10,459.99/x
  3. Step 3: Cross multiply
    30,186.04x = 45,268.80 × 10,459.99
  4. Step 4: Simplify right side
    30,186.04x = 473,510,968.97
  5. Step 5: Solve for x
    x = 473,510,968.97/30,186.04
  6. Step 6: Final answer
    x = 15,686.42

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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.