Home / 42,955.64-59,252.58-28,419.80

Finding the Fourth Proportional to 42,955.64, 59,252.58 and 28,419.80

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Solution

The fourth proportional to 42,955.64, 59,252.58 and 28,419.80 is: 39,201.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,955.64 : 59,252.58 = 28,419.80 : x
  2. Step 2: Convert to fraction form
    42,955.64/59,252.58 = 28,419.80/x
  3. Step 3: Cross multiply
    42,955.64x = 59,252.58 × 28,419.80
  4. Step 4: Simplify right side
    42,955.64x = 1,683,946,473.08
  5. Step 5: Solve for x
    x = 1,683,946,473.08/42,955.64
  6. Step 6: Final answer
    x = 39,201.99

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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.