Home / 31,017.13-42,803.01-17,588.49

Finding the Fourth Proportional to 31,017.13, 42,803.01 and 17,588.49

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Solution

The fourth proportional to 31,017.13, 42,803.01 and 17,588.49 is: 24,271.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,017.13 : 42,803.01 = 17,588.49 : x
  2. Step 2: Convert to fraction form
    31,017.13/42,803.01 = 17,588.49/x
  3. Step 3: Cross multiply
    31,017.13x = 42,803.01 × 17,588.49
  4. Step 4: Simplify right side
    31,017.13x = 752,840,344.14
  5. Step 5: Solve for x
    x = 752,840,344.14/31,017.13
  6. Step 6: Final answer
    x = 24,271.76

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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.