Home / 42,822.01-59,115.09-28,505.71

Finding the Fourth Proportional to 42,822.01, 59,115.09 and 28,505.71

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Solution

The fourth proportional to 42,822.01, 59,115.09 and 28,505.71 is: 39,351.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,822.01 : 59,115.09 = 28,505.71 : x
  2. Step 2: Convert to fraction form
    42,822.01/59,115.09 = 28,505.71/x
  3. Step 3: Cross multiply
    42,822.01x = 59,115.09 × 28,505.71
  4. Step 4: Simplify right side
    42,822.01x = 1,685,117,612.16
  5. Step 5: Solve for x
    x = 1,685,117,612.16/42,822.01
  6. Step 6: Final answer
    x = 39,351.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.