Home / 30,916.10-42,664.99-17,486.71

Finding the Fourth Proportional to 30,916.10, 42,664.99 and 17,486.71

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Solution

The fourth proportional to 30,916.10, 42,664.99 and 17,486.71 is: 24,132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,916.10 : 42,664.99 = 17,486.71 : x
  2. Step 2: Convert to fraction form
    30,916.10/42,664.99 = 17,486.71/x
  3. Step 3: Cross multiply
    30,916.10x = 42,664.99 × 17,486.71
  4. Step 4: Simplify right side
    30,916.10x = 746,070,307.28
  5. Step 5: Solve for x
    x = 746,070,307.28/30,916.10
  6. Step 6: Final answer
    x = 24,132.10

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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.