Home / 30,437.49-42,002.52-17,690.07

Finding the Fourth Proportional to 30,437.49, 42,002.52 and 17,690.07

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Solution

The fourth proportional to 30,437.49, 42,002.52 and 17,690.07 is: 24,411.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,437.49 : 42,002.52 = 17,690.07 : x
  2. Step 2: Convert to fraction form
    30,437.49/42,002.52 = 17,690.07/x
  3. Step 3: Cross multiply
    30,437.49x = 42,002.52 × 17,690.07
  4. Step 4: Simplify right side
    30,437.49x = 743,027,518.98
  5. Step 5: Solve for x
    x = 743,027,518.98/30,437.49
  6. Step 6: Final answer
    x = 24,411.59

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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.