Home / 30,060.90-45,102.29-14,270.76

Finding the Fourth Proportional to 30,060.90, 45,102.29 and 14,270.76

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Solution

The fourth proportional to 30,060.90, 45,102.29 and 14,270.76 is: 21,411.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,060.90 : 45,102.29 = 14,270.76 : x
  2. Step 2: Convert to fraction form
    30,060.90/45,102.29 = 14,270.76/x
  3. Step 3: Cross multiply
    30,060.90x = 45,102.29 × 14,270.76
  4. Step 4: Simplify right side
    30,060.90x = 643,643,956.04
  5. Step 5: Solve for x
    x = 643,643,956.04/30,060.90
  6. Step 6: Final answer
    x = 21,411.33

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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.