Home / 20,030.18-30,036.96-5,985.18

Finding the Fourth Proportional to 20,030.18, 30,036.96 and 5,985.18

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Solution

The fourth proportional to 20,030.18, 30,036.96 and 5,985.18 is: 8,975.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030.18 : 30,036.96 = 5,985.18 : x
  2. Step 2: Convert to fraction form
    20,030.18/30,036.96 = 5,985.18/x
  3. Step 3: Cross multiply
    20,030.18x = 30,036.96 × 5,985.18
  4. Step 4: Simplify right side
    20,030.18x = 179,776,612.25
  5. Step 5: Solve for x
    x = 179,776,612.25/20,030.18
  6. Step 6: Final answer
    x = 8,975.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.