Home / 30,477.63-42,062.30-17,557.35

Finding the Fourth Proportional to 30,477.63, 42,062.30 and 17,557.35

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Solution

The fourth proportional to 30,477.63, 42,062.30 and 17,557.35 is: 24,230.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,477.63 : 42,062.30 = 17,557.35 : x
  2. Step 2: Convert to fraction form
    30,477.63/42,062.30 = 17,557.35/x
  3. Step 3: Cross multiply
    30,477.63x = 42,062.30 × 17,557.35
  4. Step 4: Simplify right side
    30,477.63x = 738,502,435.12
  5. Step 5: Solve for x
    x = 738,502,435.12/30,477.63
  6. Step 6: Final answer
    x = 24,230.97

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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.