Home / 31,013.78-42,797.70-17,585.93

Finding the Fourth Proportional to 31,013.78, 42,797.70 and 17,585.93

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Solution

The fourth proportional to 31,013.78, 42,797.70 and 17,585.93 is: 24,267.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,013.78 : 42,797.70 = 17,585.93 : x
  2. Step 2: Convert to fraction form
    31,013.78/42,797.70 = 17,585.93/x
  3. Step 3: Cross multiply
    31,013.78x = 42,797.70 × 17,585.93
  4. Step 4: Simplify right side
    31,013.78x = 752,637,463.36
  5. Step 5: Solve for x
    x = 752,637,463.36/31,013.78
  6. Step 6: Final answer
    x = 24,267.84

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1.5x scale

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.