Home / 42,838.12-64,549.69-35,217.64

Finding the Fourth Proportional to 42,838.12, 64,549.69 and 35,217.64

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Solution

The fourth proportional to 42,838.12, 64,549.69 and 35,217.64 is: 53,066.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,838.12 : 64,549.69 = 35,217.64 : x
  2. Step 2: Convert to fraction form
    42,838.12/64,549.69 = 35,217.64/x
  3. Step 3: Cross multiply
    42,838.12x = 64,549.69 × 35,217.64
  4. Step 4: Simplify right side
    42,838.12x = 2,273,287,744.53
  5. Step 5: Solve for x
    x = 2,273,287,744.53/42,838.12
  6. Step 6: Final answer
    x = 53,066.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.