Home / 35,309.40-53,156.49-30,488.28

Finding the Fourth Proportional to 35,309.40, 53,156.49 and 30,488.28

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Solution

The fourth proportional to 35,309.40, 53,156.49 and 30,488.28 is: 45,898.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,309.40 : 53,156.49 = 30,488.28 : x
  2. Step 2: Convert to fraction form
    35,309.40/53,156.49 = 30,488.28/x
  3. Step 3: Cross multiply
    35,309.40x = 53,156.49 × 30,488.28
  4. Step 4: Simplify right side
    35,309.40x = 1,620,649,950.94
  5. Step 5: Solve for x
    x = 1,620,649,950.94/35,309.40
  6. Step 6: Final answer
    x = 45,898.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.