Home / 30,223.80-45,335.70-26,854.20

Finding the Fourth Proportional to 30,223.80, 45,335.70 and 26,854.20

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Solution

The fourth proportional to 30,223.80, 45,335.70 and 26,854.20 is: 40,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,223.80 : 45,335.70 = 26,854.20 : x
  2. Step 2: Convert to fraction form
    30,223.80/45,335.70 = 26,854.20/x
  3. Step 3: Cross multiply
    30,223.80x = 45,335.70 × 26,854.20
  4. Step 4: Simplify right side
    30,223.80x = 1,217,453,954.94
  5. Step 5: Solve for x
    x = 1,217,453,954.94/30,223.80
  6. Step 6: Final answer
    x = 40,281.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.