Home / 40,102.47-55,347.23-23,103.40

Finding the Fourth Proportional to 40,102.47, 55,347.23 and 23,103.40

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Solution

The fourth proportional to 40,102.47, 55,347.23 and 23,103.40 is: 31,886.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,102.47 : 55,347.23 = 23,103.40 : x
  2. Step 2: Convert to fraction form
    40,102.47/55,347.23 = 23,103.40/x
  3. Step 3: Cross multiply
    40,102.47x = 55,347.23 × 23,103.40
  4. Step 4: Simplify right side
    40,102.47x = 1,278,709,193.58
  5. Step 5: Solve for x
    x = 1,278,709,193.58/40,102.47
  6. Step 6: Final answer
    x = 31,886.05

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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.