Home / 30,501.33-42,089.88-16,888.47

Finding the Fourth Proportional to 30,501.33, 42,089.88 and 16,888.47

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Solution

The fourth proportional to 30,501.33, 42,089.88 and 16,888.47 is: 23,305.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,501.33 : 42,089.88 = 16,888.47 : x
  2. Step 2: Convert to fraction form
    30,501.33/42,089.88 = 16,888.47/x
  3. Step 3: Cross multiply
    30,501.33x = 42,089.88 × 16,888.47
  4. Step 4: Simplify right side
    30,501.33x = 710,833,675.68
  5. Step 5: Solve for x
    x = 710,833,675.68/30,501.33
  6. Step 6: Final answer
    x = 23,305.01

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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.