Home / 42,852.00-64,319.47-20,680.99

Finding the Fourth Proportional to 42,852.00, 64,319.47 and 20,680.99

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Solution

The fourth proportional to 42,852.00, 64,319.47 and 20,680.99 is: 31,041.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,852.00 : 64,319.47 = 20,680.99 : x
  2. Step 2: Convert to fraction form
    42,852.00/64,319.47 = 20,680.99/x
  3. Step 3: Cross multiply
    42,852.00x = 64,319.47 × 20,680.99
  4. Step 4: Simplify right side
    42,852.00x = 1,330,190,103.37
  5. Step 5: Solve for x
    x = 1,330,190,103.37/42,852.00
  6. Step 6: Final answer
    x = 31,041.49

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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.