Home / 40,062.52-55,271.73-30,867.10

Finding the Fourth Proportional to 40,062.52, 55,271.73 and 30,867.10

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Solution

The fourth proportional to 40,062.52, 55,271.73 and 30,867.10 is: 42,585.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,062.52 : 55,271.73 = 30,867.10 : x
  2. Step 2: Convert to fraction form
    40,062.52/55,271.73 = 30,867.10/x
  3. Step 3: Cross multiply
    40,062.52x = 55,271.73 × 30,867.10
  4. Step 4: Simplify right side
    40,062.52x = 1,706,078,017.08
  5. Step 5: Solve for x
    x = 1,706,078,017.08/40,062.52
  6. Step 6: Final answer
    x = 42,585.39

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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.