Home / 64,948.16-89,628.32-35,140.16

Finding the Fourth Proportional to 64,948.16, 89,628.32 and 35,140.16

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Solution

The fourth proportional to 64,948.16, 89,628.32 and 35,140.16 is: 48,493.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,948.16 : 89,628.32 = 35,140.16 : x
  2. Step 2: Convert to fraction form
    64,948.16/89,628.32 = 35,140.16/x
  3. Step 3: Cross multiply
    64,948.16x = 89,628.32 × 35,140.16
  4. Step 4: Simplify right side
    64,948.16x = 3,149,553,505.33
  5. Step 5: Solve for x
    x = 3,149,553,505.33/64,948.16
  6. Step 6: Final answer
    x = 48,493.34

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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.