Home / 30,875.35-42,608.02-16,728.19

Finding the Fourth Proportional to 30,875.35, 42,608.02 and 16,728.19

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Solution

The fourth proportional to 30,875.35, 42,608.02 and 16,728.19 is: 23,084.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,875.35 : 42,608.02 = 16,728.19 : x
  2. Step 2: Convert to fraction form
    30,875.35/42,608.02 = 16,728.19/x
  3. Step 3: Cross multiply
    30,875.35x = 42,608.02 × 16,728.19
  4. Step 4: Simplify right side
    30,875.35x = 712,754,905.74
  5. Step 5: Solve for x
    x = 712,754,905.74/30,875.35
  6. Step 6: Final answer
    x = 23,084.92

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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.