Home / 30,346.31-45,459.38-14,313.89

Finding the Fourth Proportional to 30,346.31, 45,459.38 and 14,313.89

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Solution

The fourth proportional to 30,346.31, 45,459.38 and 14,313.89 is: 21,442.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,346.31 : 45,459.38 = 14,313.89 : x
  2. Step 2: Convert to fraction form
    30,346.31/45,459.38 = 14,313.89/x
  3. Step 3: Cross multiply
    30,346.31x = 45,459.38 × 14,313.89
  4. Step 4: Simplify right side
    30,346.31x = 650,700,373.28
  5. Step 5: Solve for x
    x = 650,700,373.28/30,346.31
  6. Step 6: Final answer
    x = 21,442.49

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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.