Home / 30,674.61-42,327.18-17,756.19

Finding the Fourth Proportional to 30,674.61, 42,327.18 and 17,756.19

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Solution

The fourth proportional to 30,674.61, 42,327.18 and 17,756.19 is: 24,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,674.61 : 42,327.18 = 17,756.19 : x
  2. Step 2: Convert to fraction form
    30,674.61/42,327.18 = 17,756.19/x
  3. Step 3: Cross multiply
    30,674.61x = 42,327.18 × 17,756.19
  4. Step 4: Simplify right side
    30,674.61x = 751,569,450.24
  5. Step 5: Solve for x
    x = 751,569,450.24/30,674.61
  6. Step 6: Final answer
    x = 24,501.35

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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.