Home / 75,521.40-113,282.28-22,931.28

Finding the Fourth Proportional to 75,521.40, 113,282.28 and 22,931.28

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Solution

The fourth proportional to 75,521.40, 113,282.28 and 22,931.28 is: 34,396.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,521.40 : 113,282.28 = 22,931.28 : x
  2. Step 2: Convert to fraction form
    75,521.40/113,282.28 = 22,931.28/x
  3. Step 3: Cross multiply
    75,521.40x = 113,282.28 × 22,931.28
  4. Step 4: Simplify right side
    75,521.40x = 2,597,707,681.72
  5. Step 5: Solve for x
    x = 2,597,707,681.72/75,521.40
  6. Step 6: Final answer
    x = 34,396.97

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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.