Home / 30,123.04-45,200.04-14,345.96

Finding the Fourth Proportional to 30,123.04, 45,200.04 and 14,345.96

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Solution

The fourth proportional to 30,123.04, 45,200.04 and 14,345.96 is: 21,526.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,123.04 : 45,200.04 = 14,345.96 : x
  2. Step 2: Convert to fraction form
    30,123.04/45,200.04 = 14,345.96/x
  3. Step 3: Cross multiply
    30,123.04x = 45,200.04 × 14,345.96
  4. Step 4: Simplify right side
    30,123.04x = 648,437,965.84
  5. Step 5: Solve for x
    x = 648,437,965.84/30,123.04
  6. Step 6: Final answer
    x = 21,526.31

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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.