Home / 30,084.19-45,127.34-14,281.08

Finding the Fourth Proportional to 30,084.19, 45,127.34 and 14,281.08

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Solution

The fourth proportional to 30,084.19, 45,127.34 and 14,281.08 is: 21,422.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,084.19 : 45,127.34 = 14,281.08 : x
  2. Step 2: Convert to fraction form
    30,084.19/45,127.34 = 14,281.08/x
  3. Step 3: Cross multiply
    30,084.19x = 45,127.34 × 14,281.08
  4. Step 4: Simplify right side
    30,084.19x = 644,467,155.93
  5. Step 5: Solve for x
    x = 644,467,155.93/30,084.19
  6. Step 6: Final answer
    x = 21,422.12

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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.