Home / 30,935.18-42,690.52-17,506.19

Finding the Fourth Proportional to 30,935.18, 42,690.52 and 17,506.19

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Solution

The fourth proportional to 30,935.18, 42,690.52 and 17,506.19 is: 24,158.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,935.18 : 42,690.52 = 17,506.19 : x
  2. Step 2: Convert to fraction form
    30,935.18/42,690.52 = 17,506.19/x
  3. Step 3: Cross multiply
    30,935.18x = 42,690.52 × 17,506.19
  4. Step 4: Simplify right side
    30,935.18x = 747,348,053.34
  5. Step 5: Solve for x
    x = 747,348,053.34/30,935.18
  6. Step 6: Final answer
    x = 24,158.52

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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.