Home / 30,905.55-42,617.61-26,444.07

Finding the Fourth Proportional to 30,905.55, 42,617.61 and 26,444.07

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Solution

The fourth proportional to 30,905.55, 42,617.61 and 26,444.07 is: 36,465.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,905.55 : 42,617.61 = 26,444.07 : x
  2. Step 2: Convert to fraction form
    30,905.55/42,617.61 = 26,444.07/x
  3. Step 3: Cross multiply
    30,905.55x = 42,617.61 × 26,444.07
  4. Step 4: Simplify right side
    30,905.55x = 1,126,983,062.07
  5. Step 5: Solve for x
    x = 1,126,983,062.07/30,905.55
  6. Step 6: Final answer
    x = 36,465.39

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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.