Home / 30,088.12-45,105.40-14,283.40

Finding the Fourth Proportional to 30,088.12, 45,105.40 and 14,283.40

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Solution

The fourth proportional to 30,088.12, 45,105.40 and 14,283.40 is: 21,412.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,088.12 : 45,105.40 = 14,283.40 : x
  2. Step 2: Convert to fraction form
    30,088.12/45,105.40 = 14,283.40/x
  3. Step 3: Cross multiply
    30,088.12x = 45,105.40 × 14,283.40
  4. Step 4: Simplify right side
    30,088.12x = 644,258,470.36
  5. Step 5: Solve for x
    x = 644,258,470.36/30,088.12
  6. Step 6: Final answer
    x = 21,412.39

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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.