Home / 45,784.40-68,561.40-30,117.20

Finding the Fourth Proportional to 45,784.40, 68,561.40 and 30,117.20

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Solution

The fourth proportional to 45,784.40, 68,561.40 and 30,117.20 is: 45,100.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,784.40 : 68,561.40 = 30,117.20 : x
  2. Step 2: Convert to fraction form
    45,784.40/68,561.40 = 30,117.20/x
  3. Step 3: Cross multiply
    45,784.40x = 68,561.40 × 30,117.20
  4. Step 4: Simplify right side
    45,784.40x = 2,064,877,396.08
  5. Step 5: Solve for x
    x = 2,064,877,396.08/45,784.40
  6. Step 6: Final answer
    x = 45,100.02

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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.