Home / 42,299.48-63,328.26-28,423.64

Finding the Fourth Proportional to 42,299.48, 63,328.26 and 28,423.64

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Solution

The fourth proportional to 42,299.48, 63,328.26 and 28,423.64 is: 42,554.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,299.48 : 63,328.26 = 28,423.64 : x
  2. Step 2: Convert to fraction form
    42,299.48/63,328.26 = 28,423.64/x
  3. Step 3: Cross multiply
    42,299.48x = 63,328.26 × 28,423.64
  4. Step 4: Simplify right side
    42,299.48x = 1,800,019,664.07
  5. Step 5: Solve for x
    x = 1,800,019,664.07/42,299.48
  6. Step 6: Final answer
    x = 42,554.18

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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.