Home / 39,587.40-54,630.45-21,683.52

Finding the Fourth Proportional to 39,587.40, 54,630.45 and 21,683.52

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Solution

The fourth proportional to 39,587.40, 54,630.45 and 21,683.52 is: 29,923.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,587.40 : 54,630.45 = 21,683.52 : x
  2. Step 2: Convert to fraction form
    39,587.40/54,630.45 = 21,683.52/x
  3. Step 3: Cross multiply
    39,587.40x = 54,630.45 × 21,683.52
  4. Step 4: Simplify right side
    39,587.40x = 1,184,580,455.18
  5. Step 5: Solve for x
    x = 1,184,580,455.18/39,587.40
  6. Step 6: Final answer
    x = 29,923.17

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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.