Home / 42,901.76-64,224.96-38,396.48

Finding the Fourth Proportional to 42,901.76, 64,224.96 and 38,396.48

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Solution

The fourth proportional to 42,901.76, 64,224.96 and 38,396.48 is: 57,480.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,901.76 : 64,224.96 = 38,396.48 : x
  2. Step 2: Convert to fraction form
    42,901.76/64,224.96 = 38,396.48/x
  3. Step 3: Cross multiply
    42,901.76x = 64,224.96 × 38,396.48
  4. Step 4: Simplify right side
    42,901.76x = 2,466,012,392.14
  5. Step 5: Solve for x
    x = 2,466,012,392.14/42,901.76
  6. Step 6: Final answer
    x = 57,480.45

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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.