Home / 30,123.16-45,200.24-14,346.09

Finding the Fourth Proportional to 30,123.16, 45,200.24 and 14,346.09

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Solution

The fourth proportional to 30,123.16, 45,200.24 and 14,346.09 is: 21,526.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,123.16 : 45,200.24 = 14,346.09 : x
  2. Step 2: Convert to fraction form
    30,123.16/45,200.24 = 14,346.09/x
  3. Step 3: Cross multiply
    30,123.16x = 45,200.24 × 14,346.09
  4. Step 4: Simplify right side
    30,123.16x = 648,446,711.06
  5. Step 5: Solve for x
    x = 648,446,711.06/30,123.16
  6. Step 6: Final answer
    x = 21,526.52

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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.