Home / 30,676.60-42,275.14-26,426.32

Finding the Fourth Proportional to 30,676.60, 42,275.14 and 26,426.32

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Solution

The fourth proportional to 30,676.60, 42,275.14 and 26,426.32 is: 36,417.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,676.60 : 42,275.14 = 26,426.32 : x
  2. Step 2: Convert to fraction form
    30,676.60/42,275.14 = 26,426.32/x
  3. Step 3: Cross multiply
    30,676.60x = 42,275.14 × 26,426.32
  4. Step 4: Simplify right side
    30,676.60x = 1,117,176,377.68
  5. Step 5: Solve for x
    x = 1,117,176,377.68/30,676.60
  6. Step 6: Final answer
    x = 36,417.87

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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.