Home / 30,434.83-45,589.37-17,916.28

Finding the Fourth Proportional to 30,434.83, 45,589.37 and 17,916.28

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Solution

The fourth proportional to 30,434.83, 45,589.37 and 17,916.28 is: 26,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,434.83 : 45,589.37 = 17,916.28 : x
  2. Step 2: Convert to fraction form
    30,434.83/45,589.37 = 17,916.28/x
  3. Step 3: Cross multiply
    30,434.83x = 45,589.37 × 17,916.28
  4. Step 4: Simplify right side
    30,434.83x = 816,791,828.36
  5. Step 5: Solve for x
    x = 816,791,828.36/30,434.83
  6. Step 6: Final answer
    x = 26,837.40

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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.