Home / 30,223.50-45,031.48-28,525.82

Finding the Fourth Proportional to 30,223.50, 45,031.48 and 28,525.82

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Solution

The fourth proportional to 30,223.50, 45,031.48 and 28,525.82 is: 42,502.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,223.50 : 45,031.48 = 28,525.82 : x
  2. Step 2: Convert to fraction form
    30,223.50/45,031.48 = 28,525.82/x
  3. Step 3: Cross multiply
    30,223.50x = 45,031.48 × 28,525.82
  4. Step 4: Simplify right side
    30,223.50x = 1,284,559,892.81
  5. Step 5: Solve for x
    x = 1,284,559,892.81/30,223.50
  6. Step 6: Final answer
    x = 42,502.02

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1.5x scale

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.