Home / 32,386.18-44,693.61-19,639.78

Finding the Fourth Proportional to 32,386.18, 44,693.61 and 19,639.78

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Solution

The fourth proportional to 32,386.18, 44,693.61 and 19,639.78 is: 27,103.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,386.18 : 44,693.61 = 19,639.78 : x
  2. Step 2: Convert to fraction form
    32,386.18/44,693.61 = 19,639.78/x
  3. Step 3: Cross multiply
    32,386.18x = 44,693.61 × 19,639.78
  4. Step 4: Simplify right side
    32,386.18x = 877,772,667.81
  5. Step 5: Solve for x
    x = 877,772,667.81/32,386.18
  6. Step 6: Final answer
    x = 27,103.31

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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.