Home / 30,108.24-41,526.18-18,159.12

Finding the Fourth Proportional to 30,108.24, 41,526.18 and 18,159.12

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Solution

The fourth proportional to 30,108.24, 41,526.18 and 18,159.12 is: 25,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108.24 : 41,526.18 = 18,159.12 : x
  2. Step 2: Convert to fraction form
    30,108.24/41,526.18 = 18,159.12/x
  3. Step 3: Cross multiply
    30,108.24x = 41,526.18 × 18,159.12
  4. Step 4: Simplify right side
    30,108.24x = 754,078,885.76
  5. Step 5: Solve for x
    x = 754,078,885.76/30,108.24
  6. Step 6: Final answer
    x = 25,045.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.