Home / 42,669.44-64,001.76-13,087.19

Finding the Fourth Proportional to 42,669.44, 64,001.76 and 13,087.19

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Solution

The fourth proportional to 42,669.44, 64,001.76 and 13,087.19 is: 19,630.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,669.44 : 64,001.76 = 13,087.19 : x
  2. Step 2: Convert to fraction form
    42,669.44/64,001.76 = 13,087.19/x
  3. Step 3: Cross multiply
    42,669.44x = 64,001.76 × 13,087.19
  4. Step 4: Simplify right side
    42,669.44x = 837,603,193.45
  5. Step 5: Solve for x
    x = 837,603,193.45/42,669.44
  6. Step 6: Final answer
    x = 19,630.05

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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.