Home / 40,148.09-55,402.90-23,153.05

Finding the Fourth Proportional to 40,148.09, 55,402.90 and 23,153.05

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Solution

The fourth proportional to 40,148.09, 55,402.90 and 23,153.05 is: 31,950.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,148.09 : 55,402.90 = 23,153.05 : x
  2. Step 2: Convert to fraction form
    40,148.09/55,402.90 = 23,153.05/x
  3. Step 3: Cross multiply
    40,148.09x = 55,402.90 × 23,153.05
  4. Step 4: Simplify right side
    40,148.09x = 1,282,746,235.69
  5. Step 5: Solve for x
    x = 1,282,746,235.69/40,148.09
  6. Step 6: Final answer
    x = 31,950.37

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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.