Home / 40,239.07-60,364.95-12,155.63

Finding the Fourth Proportional to 40,239.07, 60,364.95 and 12,155.63

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Solution

The fourth proportional to 40,239.07, 60,364.95 and 12,155.63 is: 18,235.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,239.07 : 60,364.95 = 12,155.63 : x
  2. Step 2: Convert to fraction form
    40,239.07/60,364.95 = 12,155.63/x
  3. Step 3: Cross multiply
    40,239.07x = 60,364.95 × 12,155.63
  4. Step 4: Simplify right side
    40,239.07x = 733,773,997.17
  5. Step 5: Solve for x
    x = 733,773,997.17/40,239.07
  6. Step 6: Final answer
    x = 18,235.36

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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.