Home / 30,403.64-45,602.25-14,389.34

Finding the Fourth Proportional to 30,403.64, 45,602.25 and 14,389.34

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Solution

The fourth proportional to 30,403.64, 45,602.25 and 14,389.34 is: 21,582.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,403.64 : 45,602.25 = 14,389.34 : x
  2. Step 2: Convert to fraction form
    30,403.64/45,602.25 = 14,389.34/x
  3. Step 3: Cross multiply
    30,403.64x = 45,602.25 × 14,389.34
  4. Step 4: Simplify right side
    30,403.64x = 656,186,280.02
  5. Step 5: Solve for x
    x = 656,186,280.02/30,403.64
  6. Step 6: Final answer
    x = 21,582.49

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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.