Home / 35,320.16-48,742.51-19,405.21

Finding the Fourth Proportional to 35,320.16, 48,742.51 and 19,405.21

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Solution

The fourth proportional to 35,320.16, 48,742.51 and 19,405.21 is: 26,779.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,320.16 : 48,742.51 = 19,405.21 : x
  2. Step 2: Convert to fraction form
    35,320.16/48,742.51 = 19,405.21/x
  3. Step 3: Cross multiply
    35,320.16x = 48,742.51 × 19,405.21
  4. Step 4: Simplify right side
    35,320.16x = 945,858,642.48
  5. Step 5: Solve for x
    x = 945,858,642.48/35,320.16
  6. Step 6: Final answer
    x = 26,779.57

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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.