Home / 30,223.10-45,298.20-15,424.40

Finding the Fourth Proportional to 30,223.10, 45,298.20 and 15,424.40

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Solution

The fourth proportional to 30,223.10, 45,298.20 and 15,424.40 is: 23,118.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,223.10 : 45,298.20 = 15,424.40 : x
  2. Step 2: Convert to fraction form
    30,223.10/45,298.20 = 15,424.40/x
  3. Step 3: Cross multiply
    30,223.10x = 45,298.20 × 15,424.40
  4. Step 4: Simplify right side
    30,223.10x = 698,697,556.08
  5. Step 5: Solve for x
    x = 698,697,556.08/30,223.10
  6. Step 6: Final answer
    x = 23,118.00

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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.