Home / 30,801.51-42,505.95-16,654.32

Finding the Fourth Proportional to 30,801.51, 42,505.95 and 16,654.32

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Solution

The fourth proportional to 30,801.51, 42,505.95 and 16,654.32 is: 22,982.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,801.51 : 42,505.95 = 16,654.32 : x
  2. Step 2: Convert to fraction form
    30,801.51/42,505.95 = 16,654.32/x
  3. Step 3: Cross multiply
    30,801.51x = 42,505.95 × 16,654.32
  4. Step 4: Simplify right side
    30,801.51x = 707,907,693.20
  5. Step 5: Solve for x
    x = 707,907,693.20/30,801.51
  6. Step 6: Final answer
    x = 22,982.89

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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.