Home / 30,115.80-45,216.90-23,549.40

Finding the Fourth Proportional to 30,115.80, 45,216.90 and 23,549.40

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Solution

The fourth proportional to 30,115.80, 45,216.90 and 23,549.40 is: 35,357.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,115.80 : 45,216.90 = 23,549.40 : x
  2. Step 2: Convert to fraction form
    30,115.80/45,216.90 = 23,549.40/x
  3. Step 3: Cross multiply
    30,115.80x = 45,216.90 × 23,549.40
  4. Step 4: Simplify right side
    30,115.80x = 1,064,830,864.86
  5. Step 5: Solve for x
    x = 1,064,830,864.86/30,115.80
  6. Step 6: Final answer
    x = 35,357.88

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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.