Home / 42,585.60-63,875.58-17,619.12

Finding the Fourth Proportional to 42,585.60, 63,875.58 and 17,619.12

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Solution

The fourth proportional to 42,585.60, 63,875.58 and 17,619.12 is: 26,427.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,585.60 : 63,875.58 = 17,619.12 : x
  2. Step 2: Convert to fraction form
    42,585.60/63,875.58 = 17,619.12/x
  3. Step 3: Cross multiply
    42,585.60x = 63,875.58 × 17,619.12
  4. Step 4: Simplify right side
    42,585.60x = 1,125,431,509.09
  5. Step 5: Solve for x
    x = 1,125,431,509.09/42,585.60
  6. Step 6: Final answer
    x = 26,427.51

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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.