Home / 30,259.17-45,402.12-15,480.32

Finding the Fourth Proportional to 30,259.17, 45,402.12 and 15,480.32

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Solution

The fourth proportional to 30,259.17, 45,402.12 and 15,480.32 is: 23,227.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,259.17 : 45,402.12 = 15,480.32 : x
  2. Step 2: Convert to fraction form
    30,259.17/45,402.12 = 15,480.32/x
  3. Step 3: Cross multiply
    30,259.17x = 45,402.12 × 15,480.32
  4. Step 4: Simplify right side
    30,259.17x = 702,839,119.27
  5. Step 5: Solve for x
    x = 702,839,119.27/30,259.17
  6. Step 6: Final answer
    x = 23,227.31

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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.