Home / 30,254.20-45,312.18-17,916.28

Finding the Fourth Proportional to 30,254.20, 45,312.18 and 17,916.28

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Solution

The fourth proportional to 30,254.20, 45,312.18 and 17,916.28 is: 26,833.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,254.20 : 45,312.18 = 17,916.28 : x
  2. Step 2: Convert to fraction form
    30,254.20/45,312.18 = 17,916.28/x
  3. Step 3: Cross multiply
    30,254.20x = 45,312.18 × 17,916.28
  4. Step 4: Simplify right side
    30,254.20x = 811,825,704.29
  5. Step 5: Solve for x
    x = 811,825,704.29/30,254.20
  6. Step 6: Final answer
    x = 26,833.49

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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.