Home / 40,300.27-60,368.10-19,176.40

Finding the Fourth Proportional to 40,300.27, 60,368.10 and 19,176.40

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Solution

The fourth proportional to 40,300.27, 60,368.10 and 19,176.40 is: 28,725.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,300.27 : 60,368.10 = 19,176.40 : x
  2. Step 2: Convert to fraction form
    40,300.27/60,368.10 = 19,176.40/x
  3. Step 3: Cross multiply
    40,300.27x = 60,368.10 × 19,176.40
  4. Step 4: Simplify right side
    40,300.27x = 1,157,642,832.84
  5. Step 5: Solve for x
    x = 1,157,642,832.84/40,300.27
  6. Step 6: Final answer
    x = 28,725.44

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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.