Home / 42,990.76-64,464.20-25,256.07

Finding the Fourth Proportional to 42,990.76, 64,464.20 and 25,256.07

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Solution

The fourth proportional to 42,990.76, 64,464.20 and 25,256.07 is: 37,871.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,990.76 : 64,464.20 = 25,256.07 : x
  2. Step 2: Convert to fraction form
    42,990.76/64,464.20 = 25,256.07/x
  3. Step 3: Cross multiply
    42,990.76x = 64,464.20 × 25,256.07
  4. Step 4: Simplify right side
    42,990.76x = 1,628,112,458.19
  5. Step 5: Solve for x
    x = 1,628,112,458.19/42,990.76
  6. Step 6: Final answer
    x = 37,871.22

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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.