Home / 40,465.07-55,885.36-30,801.87

Finding the Fourth Proportional to 40,465.07, 55,885.36 and 30,801.87

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Solution

The fourth proportional to 40,465.07, 55,885.36 and 30,801.87 is: 42,539.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,465.07 : 55,885.36 = 30,801.87 : x
  2. Step 2: Convert to fraction form
    40,465.07/55,885.36 = 30,801.87/x
  3. Step 3: Cross multiply
    40,465.07x = 55,885.36 × 30,801.87
  4. Step 4: Simplify right side
    40,465.07x = 1,721,373,516.62
  5. Step 5: Solve for x
    x = 1,721,373,516.62/40,465.07
  6. Step 6: Final answer
    x = 42,539.74

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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.