Home / 35,309.65-53,156.86-30,488.53

Finding the Fourth Proportional to 35,309.65, 53,156.86 and 30,488.53

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Solution

The fourth proportional to 35,309.65, 53,156.86 and 30,488.53 is: 45,898.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,309.65 : 53,156.86 = 30,488.53 : x
  2. Step 2: Convert to fraction form
    35,309.65/53,156.86 = 30,488.53/x
  3. Step 3: Cross multiply
    35,309.65x = 53,156.86 × 30,488.53
  4. Step 4: Simplify right side
    35,309.65x = 1,620,674,520.82
  5. Step 5: Solve for x
    x = 1,620,674,520.82/35,309.65
  6. Step 6: Final answer
    x = 45,898.91

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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.