Home / 30,223.76-45,031.86-28,526.06

Finding the Fourth Proportional to 30,223.76, 45,031.86 and 28,526.06

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Solution

The fourth proportional to 30,223.76, 45,031.86 and 28,526.06 is: 42,502.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,223.76 : 45,031.86 = 28,526.06 : x
  2. Step 2: Convert to fraction form
    30,223.76/45,031.86 = 28,526.06/x
  3. Step 3: Cross multiply
    30,223.76x = 45,031.86 × 28,526.06
  4. Step 4: Simplify right side
    30,223.76x = 1,284,581,652.85
  5. Step 5: Solve for x
    x = 1,284,581,652.85/30,223.76
  6. Step 6: Final answer
    x = 42,502.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.