Home / 30,259.24-45,390.08-10,539.79

Finding the Fourth Proportional to 30,259.24, 45,390.08 and 10,539.79

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Solution

The fourth proportional to 30,259.24, 45,390.08 and 10,539.79 is: 15,810.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,259.24 : 45,390.08 = 10,539.79 : x
  2. Step 2: Convert to fraction form
    30,259.24/45,390.08 = 10,539.79/x
  3. Step 3: Cross multiply
    30,259.24x = 45,390.08 × 10,539.79
  4. Step 4: Simplify right side
    30,259.24x = 478,401,911.28
  5. Step 5: Solve for x
    x = 478,401,911.28/30,259.24
  6. Step 6: Final answer
    x = 15,810.11

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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.