Home / 30,263.04-45,399.42-12,737.88

Finding the Fourth Proportional to 30,263.04, 45,399.42 and 12,737.88

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Solution

The fourth proportional to 30,263.04, 45,399.42 and 12,737.88 is: 19,108.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,263.04 : 45,399.42 = 12,737.88 : x
  2. Step 2: Convert to fraction form
    30,263.04/45,399.42 = 12,737.88/x
  3. Step 3: Cross multiply
    30,263.04x = 45,399.42 × 12,737.88
  4. Step 4: Simplify right side
    30,263.04x = 578,292,364.03
  5. Step 5: Solve for x
    x = 578,292,364.03/30,263.04
  6. Step 6: Final answer
    x = 19,108.87

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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.