Home / 30,343.70-45,541.06-15,566.86

Finding the Fourth Proportional to 30,343.70, 45,541.06 and 15,566.86

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Solution

The fourth proportional to 30,343.70, 45,541.06 and 15,566.86 is: 23,363.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343.70 : 45,541.06 = 15,566.86 : x
  2. Step 2: Convert to fraction form
    30,343.70/45,541.06 = 15,566.86/x
  3. Step 3: Cross multiply
    30,343.70x = 45,541.06 × 15,566.86
  4. Step 4: Simplify right side
    30,343.70x = 708,931,305.27
  5. Step 5: Solve for x
    x = 708,931,305.27/30,343.70
  6. Step 6: Final answer
    x = 23,363.38

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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.