Home / 30,903.08-42,644.46-17,477.15

Finding the Fourth Proportional to 30,903.08, 42,644.46 and 17,477.15

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Solution

The fourth proportional to 30,903.08, 42,644.46 and 17,477.15 is: 24,117.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,903.08 : 42,644.46 = 17,477.15 : x
  2. Step 2: Convert to fraction form
    30,903.08/42,644.46 = 17,477.15/x
  3. Step 3: Cross multiply
    30,903.08x = 42,644.46 × 17,477.15
  4. Step 4: Simplify right side
    30,903.08x = 745,303,796.24
  5. Step 5: Solve for x
    x = 745,303,796.24/30,903.08
  6. Step 6: Final answer
    x = 24,117.46

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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.