Home / 30,239.19-45,343.14-13,584.98

Finding the Fourth Proportional to 30,239.19, 45,343.14 and 13,584.98

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Solution

The fourth proportional to 30,239.19, 45,343.14 and 13,584.98 is: 20,370.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,239.19 : 45,343.14 = 13,584.98 : x
  2. Step 2: Convert to fraction form
    30,239.19/45,343.14 = 13,584.98/x
  3. Step 3: Cross multiply
    30,239.19x = 45,343.14 × 13,584.98
  4. Step 4: Simplify right side
    30,239.19x = 615,985,423.32
  5. Step 5: Solve for x
    x = 615,985,423.32/30,239.19
  6. Step 6: Final answer
    x = 20,370.43

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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.