Home / 30,159.31-45,223.50-15,935.42

Finding the Fourth Proportional to 30,159.31, 45,223.50 and 15,935.42

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Solution

The fourth proportional to 30,159.31, 45,223.50 and 15,935.42 is: 23,894.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,159.31 : 45,223.50 = 15,935.42 : x
  2. Step 2: Convert to fraction form
    30,159.31/45,223.50 = 15,935.42/x
  3. Step 3: Cross multiply
    30,159.31x = 45,223.50 × 15,935.42
  4. Step 4: Simplify right side
    30,159.31x = 720,655,466.37
  5. Step 5: Solve for x
    x = 720,655,466.37/30,159.31
  6. Step 6: Final answer
    x = 23,894.96

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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.